[1]
Wardatul Uyun, N., Padlurrahman, P. and Khairul Wazni , M. 2026. The Effects of Problem-Based Learning on Fourth-Grade Students’ Critical Thinking and Speaking Skills in English Instruction. IJE : Interdisciplinary Journal of Education. 4, 1 (Mar. 2026), 38–49. DOI:https://doi.org/10.61277/ije.v4i1.256.