Winka, W. N. (2023). Penerapan Optimalisasi Keterampilan 4c (Creative Thinking, Critical Thinking And Problem Solving, Communication, Collaboration) Dalam Pembelajaran Contextual Oral Language Skills. Jurnal Ilmiah KORPUS, 7(3), 391–399. https://doi.org/10.33369/jik.v7i3.28743