Wulansari, Keken, and Yaya Sunarya. “Keterampilan 4c (Critical Thinking, Creativity, Communication, Dan Collaborative) Guru Bahasa Indonesia Sma Dalam Pembelajaran Abad 21 Di Era Industri 4.0”. Jurnal Basicedu 7, no. 3 (July 20, 2023): 1667–1674. Accessed June 1, 2025. https://www.jbasic.org/index.php/basicedu/article/view/5360.