Trisnawati, Winda Winda, dan Arini Kumala Sari. “INTEGRASI KETERAMPILAN ABAD 21 DALAM MODUL SOCIOLINGUISTICS: KETERAMPILAN 4C (COLLABORATION, COMMUNICATION, CRITICAL THINKING, DAN CREATIVITY)”. Jurnal Muara Pendidikan 4, no. 2 (Oktober 10, 2019): 455–466. Diakses Mei 19, 2024. https://ejournal.ummuba.ac.id/index.php/mp/article/view/179.