Trisnawati WW, Sari AK. INTEGRASI KETERAMPILAN ABAD 21 DALAM MODUL SOCIOLINGUISTICS: KETERAMPILAN 4C (COLLABORATION, COMMUNICATION, CRITICAL THINKING, DAN CREATIVITY). j.n.a.pendidik. [Internet]. 10 Oktober 2019 [dikutip 19 Mei 2024];4(2):455-66. Tersedia pada: https://ejournal.ummuba.ac.id/index.php/mp/article/view/179