Descipulo Manipol, L. K., N. Nasrullah, and J. Jumariati. “Analysis of Self Efficacy and Motivation As Contributing Factors in Second Language Acquisition: A Literature Review”. Acitya: Journal of Teaching and Education, vol. 6, no. 1, Jan. 2024, pp. 1-18, doi:10.30650/ajte.v6i1.3702.