Winka, Winka Naida. 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):391-99. https://doi.org/10.33369/jik.v7i3.28743.