Cong, Nhat Nguyen, Hang Phan Thi Thuy, Oanh Tran Thi Kim, and Phuong Nguyen Viet. 2025. “Interdisciplinary Teaching in STEM Education: A Systematic Synthesis of Teachers’ Competencies at Lower and Upper Secondary Levels”. International Journal of Learning, Teaching and Educational Research 24 (11):808-625. http://www.ijlter.net/index.php/ijlter/article/view/2609.