Edukasi Strategi Marketing Wirausaha Produk Roti Lapas Batam (ROPASTAM) Warga Binaan Lapas Kelas II Batam. khidmat [Internet]. 2024 Dec. 30 [cited 2025 May 17];1(3):142-5. Available from: https://ojs.umrah.ac.id/index.php/khidmat/article/view/7035