Sema, Endalamaw Abatyihun, Simachew Gashaye Yesigat, and Belachew Zerihun Dememe. “Effects of Problem Based Instruction on EFL Students’ Writing Performance”. Zhongguo Kuangye Daxue Xuebao 29, no. 3 (August 11, 2024): 153–165. Accessed July 13, 2025. https://zkdx.ch/journal/zkdx/article/view/76.