Siew Li, Winnie Sim, and Mohamad Yusof Arshad. 2017. “STUDENTS’ QUESTIONS IN INQUIRY-BASED CHEMISTRY CLASSROOMS”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW 3 (1), 102 -7. https://journal.unj.ac.id/unj/index.php/ijer/article/view/1205.