The effect of using GeoGebra on conceptual and procedural knowledge of high school mathematics students H Zulnaidi, E Zakaria Asian Social Science 8 (11), 102, 2012 | 32 | 2012 |

Learning support and academic achievement among Malaysian adolescents: the mediating role of student engagement ZM Jelas, N Azman, H Zulnaidi, NA Ahmad Learning Environments Research 19 (2), 221-240, 2016 | 22 | 2016 |

Students’ Engagement by Age and Gender: A Cross-Sectional Study in Malaysia R Amir, A Saleha, ZM Jelas, ARA Hutkemri Middle-East Journal of Scientific Research 21 (10), 1886-1892, 2014 | 16 | 2014 |

The effectiveness of the geogebra software: the intermediary role of procedural knowledge on students’ conceptual knowledge and their achievement in mathematics H Zulnaidi, S Zamri Eurasia Journal of Mathematics, Science and Technology Education 13 (6 …, 2017 | 15 | 2017 |

The Effect of Information Mapping Strategy on Mathematics Conceptual Knowledge of Junior High School Students. H Zulnaidi, E Zakaria Online Submission 7 (1), 26-31, 2010 | 10 | 2010 |

Impact of using GeoGebra on students’ conceptual and procedural knowledge of limit function EZ Hutkemri Mediterranean Journal of Social Sciences 5 (23), 873, 2014 | 8 | 2014 |

The effectiveness of Realistic Mathematics Education approach: The role of mathematical representation as mediator between mathematical belief and problem solving P Yuanita, H Zulnaidi, E Zakaria PloS one 13 (9), e0204847, 2018 | 4 | 2018 |

The effect of geogebra on students' conceptualand procedural knowledge of function E Zakaria Indian Journal of Science and Technology 5 (12), 3802-3808, 2012 | 4 | 2012 |

THE EFFECT OF GEOGEBRA ON STUDENTS’MISCONCEPTIONS OF LIMIT FUNCTION TOPIC H Zulnaidi, E Oktavika JuKu: Jurnal Kurikulum & Pengajaran Asia Pasifik 6 (1), 1-6, 2018 | 3 | 2018 |

The Effect of Using GeoGebra on Conceptual and Procedural Knowledge of High School Mathematics Students E Zakaria, H Zulnaidi The Journal Asian Social Science 8 (11), 1911-2017, 2012 | 3 | 2012 |

Roles of metacognition and achievement goals in mathematical modeling competency: A structural equation modeling analysis R Hidayat, H Zulnaidi, SNAS Zamri PloS one 13 (11), e0206211, 2018 | 2 | 2018 |

Employing Geogebra in the Teaching of Mathematics: the Teachers’ Perspective H Zulnaidi, E Zakaria, NM Nordin Elixir Psychology 36, 3483-3485, 2011 | 2 | 2011 |

In-Service Training for Chemistry Teachers' Proficiency: The Intermediary Effect of Collaboration Based on Teaching Experience. J Copriady, H Zulnaidi, M Alimin International Journal of Instruction 11 (4), 749-760, 2018 | 1 | 2018 |

A comparative study of school environment for students' skills development in Malaysia and Indonesia KM Sobri, F Hanum, H Zulnaidi, AR Ahmad Kasetsart Journal of Social Sciences, 2017 | 1 | 2017 |

Mathematics teacher’s readiness toward information and communication technology application: The mediating role of facilities SNAS Zamri Advanced Science Letters 22 (8), 2027-2030, 2016 | 1 | 2016 |

Validity and Reliability of Burnout Scale for Malaysian Students ZM Jelas, N Azman Journal of Applied Sciences 15, 661-667, 2015 | 1 | 2015 |

Employing Geogebra in the teaching of mathematics: The teachers’ perspective EZ Hutkemri, NM Nordin | 1 | 2011 |

KEBERKESANAN LIMA MINIT SENAMAN QIGONG TERHADAP TAHAP KEMURUNGAN, KEBIMBANGAN DAN STRES DALAM KALANGAN MURID TINGKATAN EMPAT R Hamid, SKS Ali, MAKM Daud, H Zulnaidi, Z Hamid JuPiDi: Jurnal Kepimpinan Pendidikan 6 (4), 61-80, 2019 | | 2019 |

Difficulties and Correlation between Phenomenon and Reasoning Tier of Multiple-Choice Questions: A Survey Study H QUDRATUDDARSI, RV SATHASIVAM, H HUTKEMRI Indonesian Research Journal in Education| IRJE|, 250-265, 2019 | | 2019 |

Enhancing Science Achievement Utilising an Integrated STEM Approach. AA Yaki, RM Saat, RV Sathasivam, H Zulnaidi Malaysian Journal of Learning and Instruction 16 (1), 181-205, 2019 | | 2019 |