O. Said

Advancing physical education: The validation of Adventure-based Mental Toughness Model (AbMTM) for outdoor education

Mohd Shariman Shafie, Zuraidah Zainol, M. Hashim, 2022 .

Validity and Reliability of Model Competency Instrument of Outdoor Education Co-Curriculum Center in Malaysia

Mohd Shariman Shafie, Jaffry Zakaria, A. Hashim, 2020 .