Nova Erawati Sidabalok. “The Effect of Learning Difficulties on Students’ Learning Achievement In Islamic Religious Lessons at Dewi Sri Islam Private SD Perkebunan Tanjung Kasau, Sei Suka District, Batu Bara Regency”. IJCS: International Journal of Community Service 1, no. 1 (June 30, 2022): 77–82. Accessed May 19, 2024. https://ejournal.ipinternasional.com/index.php/ijcs/article/view/164.