Syefrinando, Boby, Ayu sofna, Cici Pramita, Tasa Puri, Al Fajri Adha, Yuliasih Yuliasih, and Fauzan Sulman. 2023. “Cooperative Learning Process in the 21st Century Era: Does It Still Have an Impact on Students’ Understanding of Concepts?”. Edumaspul: Jurnal Pendidikan 7 (2), 3286-96. https://doi.org/10.33487/edumaspul.v7i2.6895.