Utomo, Pamuji Setyo. “Quantitative Synergy of Seed Tuber Dimensions and Planting Density: Modeling Optimal Combinations for Maximizing the Productivity of Red Onion (Allium Ascalonicum L.) Bauchi Variety”. International Journal of Global Sustainable Research, vol. 3, no. 12, Jan. 2026, pp. 969-76, doi:10.59890/ijgsr.v3i12.126.