| Pengaruh Efisiensi Kerja Terhadap Produktivitas Kerja Karyawan Selama Masa Pandemi Virus Covid 19 (Studi Kasus Pada Bagian Divisi Operasional Pt Pelindo Daya Sejahtera Surabaya) BJ Helmy, WA Santoso, DW Hariyanto JEAMS: Journal of Economic, Accounting and Management Science 2 (1), 40-50, 2020 | 5 | 2020 |
| Analisis Pengaruh Bauran Promosi Terhadap Volume Penjualan Kondominium di Kawasan Kota Surabaya Y Sumitro, BJ Helmy, W Soekotjo Majalah Ekonomi 24 (1), 35-48, 2019 | 5 | 2019 |
| The Effect of Work Efficiency on Employee Work Productivity During the Covid 19 Virus Pandemic (Case Study in the Operational Division of Pt Pelindo Daya Sejahtera Surabaya) BJ Helmy, WA Santoso, DW Hariyanto Journal of Economy, Accounting and Management Science (JEAMS) 2 (1), 40-46, 2020 | 1 | 2020 |
| Effect Analysis of The Services Quality, Prices And Satisfaction On Loyalty of Rsmm Eye Hospital Surabaya Y Sumitro, BC Perdana, BJ Helmy Journal of Economy, Accounting and Management Science (JEAMS) 1 (1), 14-24, 2019 | 1 | 2019 |
| Analysis Of Social Media Marketing, Culture, Personality And Psychology On Decisions To Become Members Of Seruni Dance School In Surabaya: English T Subagyo, BJ Helmy Tamansiswa Management Journal International 9 (1), 1-7, 2023 | | 2023 |
| THE ANALYSIS OF LIQUIDITY, LEVERAGE AND DIVIDEND POLICY TOWARD PROFITABILITY IN PUBLIC Co. MANUFACTURING INDUSTRIAL SECTOR BJ Helmy, AO Ariyani JEAMS: Journal of Economic, Accounting and Management Science 1 (2), 1-11, 2020 | | 2020 |
| EFFECT OF SOURCES OF COMPETITIVE ADVANTAGE OF MARKETING ON THE PERFORMANCE OF FISH PROCESSING INDUSTRY IN TAMBAK WEDI, SURABAYA BJ Helmy HELD BY CIPUTRA UNIVERSITY COLLABORATED WITH, 119, 0 | | |
