Umarsi, Nurhias, Usuluddin Usuluddin, M. Adib Nazri, and Ary Prasetyaningrum. 2024. “Using Cognitive Academic Language Learning Approach (Calla) to Improve Students’ Speaking Ability”. Edumaspul: Jurnal Pendidikan 8 (1), 2401-5. https://doi.org/10.33487/edumaspul.v8i1.8215.