DR. SARMADAN NUR SIREGAR. NAHDLATUL ULAMA AND IT’S ROLE IN THE DEVELOPMENT OF ISLAMIC RELIGIOUS EDUCATION IN CENTRAL TAPANULI. Researchers World - International Refereed Social Sciences Journal, [S. l.], v. 8, n. 2(1), p. 92–103, 2021. Disponível em: https://www.researchersworld.com/index.php/rworld/article/view/280. Acesso em: 22 nov. 2025.