Sinaga R, Lubis AR, Sinaga A, Purba S, Ginting N, Budiman I. Peningkatan Pemasaran Produk Pertanian Berbasis Kewirausahaan di SMA Mayjen Sutoyo Medan. jpm [Internet]. 2024Jan.29 [cited 2026Sep.4];4(3):272-8. Available from: https://djournals.com/jpm/article/view/1578