Hariyono A, Sulaeman S, Nora L. Strategy Identify of Sahabat NK to Increase The Sales Volume of NK Brand Corn Hybrid Seed in Probolinggo City. brcs [Internet]. 2022Aug.31 [cited 2024May3];3(2):85. Available from: https://jurnal.ipb.ac.id/index.php/brcs/article/view/41553