Maslawati Mohamad, N. H. A. S. M. “The Self-Efficacy, English Language Proficiency, and Teaching Strategies of Malaysian Preschool Teachers in the Teaching of English As a Second Language”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Feb. 2020, pp. 1044 -54, http://sersc.org/journals/index.php/IJAST/article/view/4197.