Dr. Sarmadan Nur Siregar. NAHDLATUL ULAMA AND IT’S ROLE IN THE DEVELOPMENT OF ISLAMIC RELIGIOUS EDUCATION IN CENTRAL TAPANULI. RW-IRSSJ [Internet]. 2021 Aug. 23 [cited 2025 Jul. 14];8(2(1):92-103. Available from: https://researchersworld.com/index.php/rworld/article/view/280