Muhamad Dah, Norsyazwani, and Mohd Syafiq Aiman Mat Noor. 2021. “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 11 (1):103-20. https://doi.org/10.37134/jpsmm.vol11.1.10.2021.