Teachers' readiness in implementing science, technology, engineering and mathematics (STEM) education from the cognitive, affective and behavioural aspects. - Abdul Halim Abdullah; Mohd Hilmi Hamzah; Raja Haffizah Soffia Raja Hussin; Umar Haiyat Abdul Kohar; Sharifah Nurarfah S. Abd Rahman; Juhazren Junaidi (TALE, 2017)

Development of The "ThinkHOTS" Software Based on Thinking Maps To Increase Higher-Order Thinking Skills. - Abdul Halim Abdullah; Mohd Hilmi Hamzah; Norasykin Mohd Zaid; Amira Fatiha Baharudin; Umar Haiyat Abdul Kohar; Sharifah Nurarfah S. Abd Rahman; Siti Hajar Mohd Amin (ICEED, 2018)

The Effectiveness of Integrating Geometer's Sketchpad Software in Phase-Based Geometric Learning. - Abdul Halim Abdullah; Norasykin Mohd Zaid; Mohd Salleh Abu; Mohd Hilmi Hamzah; Effandi Zakaria; Umar Haiyat Abdul Kohar (TALE, 2018)

Mirror-mirror on the Wall, Which Teachers Use Educational Technology in Mathematics Classroom-Malaysians or South Koreans? - Abdul Halim Abdullah; Bomi Shin; Nurul Farhana Jumaat; Umar Haiyat Abdul Kohar; Zakiah Mohamad Ashari; Sharifah Nurarfah S. Abd Rahman (TALE, 2019)

A Comparative Study of Teaching Problem-Solving in Mathematics Secondary Schools in Malaysia and South Korea. - Abdul Halim Abdullah; Bomi Shin; Umar Haiyat Abdul Kohar; Dayana Farzeeha Binti Ali; Norazrena Abu Samah; Zakiah Mohamad Ashari (TALE, 2019)

The Effects of an Inductive Reasoning Learning Strategy Assisted by the GeoGebra Software on Students' Motivation for the Functional Graph II Topic. - Abdul Halim Abdullah; Noor Suhaily Binti Misrom; Umar Haiyat Abdul Kohar; Mohd Hilmi Hamzah; Zakiah Mohamad Ashari; Dayana Farzeeha Binti Ali; Norazrena Abu Samah; Lokman Mohd Tahir; Sharifah Nurarfah S. Abd Rahman (IEEE Access, 2020)

DOES Sketchup Make Improve Students' Visual-Spatial Skills? - Abdul Halim Abdullah; Rohani Abd Wahab; Mahani Mokhtar; Noor Azean Atan; Noor Dayana Abd Halim; Johari Surif; Norasykin Mohd Zaid; Zakiah Mohamad Ashari; Nor Hasniza Ibrahim; Umar Haiyat Abdul Kohar; Mohd Hilmi Hamzah; Sharifah Nurarfah S. Abd Rahman (IEEE Access, 2022)