| Studi timbulan, komposisi dan karakteristik sampah domestik Kota Bukittinggi Y Ruslinda, S Indah, W Laylani Jurnal Teknik Lingkungan UNAND 9 (1), 2012, 2012 | 50 | 2012 |
| Studies on desorption and regeneration of natural pumice for iron removal from aqueous solution S Indah, D Helard, A Binuwara Water Science and Technology 2017 (2), 509-515, 2018 | 35 | 2018 |
| Utilization of maize husk (Zea mays L.) as low-cost adsorbent in removal of iron from aqueous solution S Indah, D Helard, A Sasmita Water Science and Technology 73 (12), 2929-2935, 2016 | 30 | 2016 |
| Efisiensi Metode Multi Soil Layering (MSL) dalam Penyisihan COD dari Limbah Cair Hotel (Studi Kasus: Hotel" X" Padang) S Elystia, S Indah, D Helard Jurnal Teknik Lingkungan UNAND 9 (2), 121-128, 2012 | 16 | 2012 |
| The adsorption and regeneration of natural pumice as low-cost adsorbent for nitrate removal from water D Helard, S Indah, CM Sari, H Mariesta Journal of Geoscience, Engineering, Environment, and Technology 3 (2), 86-93, 2018 | 14 | 2018 |
| Katalis Basa Heterogen Campuran CaO dan SrO pada Reaksi Transesterifikasi Minyak Kelapa Sawit S Indah, M Said, W Adhitya Summa, AK Sari Prosiding Seminar Nasional AvoER, 482-493, 2011 | 13 | 2011 |
| Utilization of pumice from Sungai Pasak, West Sumatera, Indonesia as low-cost adsorbent in removal of manganese from aqueous solution S Indah, D Helard, T Edwin, R Pratiwi AIP Conference Proceedings 1823 (1), 2017 | 10 | 2017 |
| Evaluation of iron and manganese-coated pumice from Sungai Pasak, West Sumatera, Indonesia for the removal of Fe (II) and Mn (II) from aqueous solutions S Indah, D Helard Procedia Environmental Sciences 37, 556-563, 2017 | 8 | 2017 |
| Spatial variation of electrical conductivity, total suspended solids, and total dissolved solids in the Batang Arau River, West Sumatera, Indonesia D Helard, S Indah, M Wilandari IOP Conference Series: Materials Science and Engineering 1041 (1), 012027, 2021 | 7 | 2021 |
| Spatial distribution of coliform bacteria in Batang arau River, Padang, west Sumatera, Indonesia D Helard, S Indah, M Wilandari IOP Conference Series: Materials Science and Engineering 602 (1), 012062, 2019 | 7 | 2019 |
| Spatial variability of ammonium, nitrite and nitrate concentrations in water of Batang Arau River, West Sumatera, Indonesia D Helard, S Indah, M Oktavia Water Supply 20 (4), 1484-1492, 2020 | 6 | 2020 |
| Pengaruh variasi konsentrasi logam mangan (Mn) terhadap efisiensi penyisihan logam besi (Fe) pada adsorpsi menggunakan serbuk kulit jagung sebagai adsorben S Indah, D Helard, R Yedriana Dampak 13 (2), 100-106, 2016 | 6 | 2016 |
| Kajian Kinerja Pengelolaan Sistem Penyediaan Air Minum (SPAM) di Kabupaten Solok dan Kota Solok Berbasis Buku Kinerja Badan Peningkatan Penyelenggaraan Sistem Penyediaan Air Minum A Nasution, D Helard, S Indah CIVED 8 (3), 213-228, 2021 | 5 | 2021 |
| Spatial variation of metals in the Batang Arau River, West Sumatera, Indonesia S Indah, D Helard, MA Herfi, H Hamid Water Environment Research 90 (3), 234-243, 2018 | 5 | 2018 |
| Penyisihan Kalium Dari Limbah Cair Persawahan Dengan Metode Multi Soil Layering (Msl) T Ihsan, S Indah, D Helard Dampak 10 (2), 133-141, 2013 | 5 | 2013 |
| Satuan Timbulan, Komposisi dan Karakteristik Sampah Non Dometik Kota Bukittinggi Y Ruslinda, S Indah Laporan Penelitian. Direktorat Pembinaan Penelitian dan Pengabdian Kepada …, 2006 | 5 | 2006 |
| Removal of nitrate from groundwater by column using pumice as adsorbent as an effort for water resources conservation D Helard, S Indah, DP Kiflia IOP Conference Series: Materials Science and Engineering 846 (1), 012059, 2020 | 4 | 2020 |
| Adsorption and regeneration of Indonesian natural pumice for total chromium removal from aqueous solution S Indah, D Helard, F Marchelly, DE Putri Indonesian Journal of Environmental Management and Sustainability 2 (2), 30-37, 2018 | 4 | 2018 |
| Studi Regenerasi Adsorben Kulit Jagung (Zea Mays L.) Dalam Menyisihkan Logam Besi (Fe) Dan Mangan (Mn) Dari Air Tanah S Indah Dampak 11 (1), 48-58, 2014 | 4 | 2014 |
| Behaviour of somatic and F-specific coliphages in slow sand filter S Indah, H Tanaka, F Li, K Hirooka, M ZIELINA Journal of Water and Environment Technology 10 (1), 69-78, 2012 | 3 | 2012 |
Denny HelardEnvironmental Engineering Department, Universitas AndalasEmail yang diverifikasi di eng.unand.ac.id
