Yaşar, Mehmet Diyaddin, Veli Batdi, Büşra Kilinc, and Ayşe Nur Kilic. “Using the Mixed-Meta Method to Assess Portfolios in Science Teaching”. Science Insights Education Frontiers 24, no. 1 (September 30, 2024): 3895–3918. Accessed October 24, 2025. https://bonoi.org/index.php/sief/article/view/1276.