Saragih, M. K., P. Simanjuntak, L. R. . Panataria, and E. . Sitorus. “The Effect of Potassium Fertilizer and Eco-Enzyme on the Growth and Production of Shallots (Allium Ascalonicum L.)”. Indonesian Journal of Agriculture and Environmental Analytics, vol. 4, no. 1, Jan. 2025, pp. 1-12, doi:10.55927/ijaea.v4i1.12245.