1.
Singto A. THE DEVELOPMENT OF STEM EDUCATION LEARNING ACTIVITIES TO ENHANCE PROBLEM SOLVING THINKING ABILITY FOR MATHAYOMSUKSA 1. JMND [Internet]. 2020 Jul. 20 [cited 2024 Apr. 26];7(7):387-98. Available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/245023