De la Cruz, Carlos S., FL Loreto, and MK Palomar. “EFFECT OF BROWN LEAF SPOT DISEASE ON THE GROWTH AND YIELD OF SWEET POTATO”. Annals of Tropical Research 3, no. 3 (September 12, 1981): 206–213. Accessed December 6, 2025. https://atr.vsu.edu.ph/article/view/789.