Muhamad Dah, Norsyazwani, and Mohd Syafiq Aiman Mat Noor. “The Development of an Investigable Questions Formulation Technique (IQFT) in Open Inquiry Learning: Pembangunan Investigable Questions Formulation Technique (IQFT) Dalam Pembelajaran Inkuiri Terbuka”.
Jurnal Pendidikan Sains Dan Matematik Malaysia, vol. 11, no. 1, May 2021, pp. 103-20,
https://doi.org/10.37134/jpsmm.vol11.1.10.2021.