Amhar, A., R. Sabrina, E. . Sulasmi, and M. Saragih. “Student Critical Thinking Skills and Student Writing Ability: The Role of teachers’ Intellectual Skills and Student Learning”. Cypriot Journal of Educational Sciences, vol. 17, no. 7, July 2022, pp. 2493-10, doi:10.18844/cjes.v17i7.7683.