Wahyuningsih, S., and M. K. Fadillah. “The Influence of Learning Environment on Student Achievement of Islamic Relegious Education Subjects at Shodiqussalam Vocational School Central Lampung”. Journal of Research in Islamic Education, vol. 4, no. 2, June 2022, pp. 142-7, doi:10.25217/jrie.v4i1.1776.