Suryani, Lia Aulia, Hilma Pami Putry, and Hafizul Khair. 2021. “The Correlation Between Students’ Critical Thinking and Argumentative Skill in IAIN Bukittinggi”. FOSTER: Journal of English Language Teaching 2 (1), 65-75. https://doi.org/10.24256/foster-jelt.v2i1.26.