“THE IMPLEMENTATION OF ‘PROJECT APPROACH’ BY LILIAN G. KATZ TO IMPROVING RELIGION AND MORAL, ALSO LANGUAGE DEVELOPMENT”.
Al Hikmah Indonesian Journal of Early Childhood Islamic Education 8, no. 2 (January 5, 2025): 362–374. Accessed September 9, 2026.
https://www.ojs.mlati.id.or.id/index.php/ijecie/article/view/882.