N. A. Pratiwi, S. A. Fyka, and H. Sudarmo, “Analysis of Differences in Productivity and Income from Rice Farming Between Subsidized and Non-Subsidized Fertilizer Users in Ahuhu Village, Meluhu Subdistrict, Konawe Regency”, IJETER, vol. 4, no. 02, pp. 121-132, Apr. 2026.