Subur, Jumadi. “The Role of Core Competencies, Functional Competencies and Spiritual Competencies in Improving Teacher’s Teaching Quality at SD Nizamia Andalusia Jakarta”. Sinergi International Journal of Management and Business 3, no. 4 (October 20, 2025): 232–241. Accessed December 13, 2025. https://journal.sinergi.or.id/index.php/ijmb/article/view/853.