Hariyono, Ardian, Suhendar Sulaeman, and Liza Nora. “Strategy Identify of Sahabat NK to Increase The Sales Volume of NK Brand Corn Hybrid Seed in Probolinggo City”. Business Review and Case Studies 3, no. 2 (August 31, 2022): 85. Accessed January 29, 2023. https://journal.ipb.ac.id/index.php/brcs/article/view/41553.