Nasution I, Nasution ZH, Nurhidayah S, Juwita S, Jawharah WI. Strategi Pemasaran Bimbingan Belajar (Bimbel) Alfasmartcenter Desa Bangun Sari, Kecamatan Datuk Tanah Datar, Kabupaten Batu Bara. jecs [Internet]. 2025 Jul. 26 [cited 2025 Aug. 2];7(1):22-35. Available from: https://pusdikra-publishing.com/index.php/jecs/article/view/2751