MUH. TAKDIR. THE PRINCIPAL ROLE IN IMPROVING STUDENT LEARNING ACHIEVEMENT AT SMPN 01 CIBINONG OF BOGOR DISTRICT. JELLi Journal, [S. l.], v. 4, n. 2, p. 28–39, 2021. Disponível em: https://journal.umbogorraya.ac.id/index.php/englishforum/article/view/205. Acesso em: 8 jun. 2026.