M. K. Saragih, 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.)”, IJAEA, vol. 4, no. 1, pp. 1–12, Jan. 2025.