De la Rosa, JM, RM Santiago, and MB Posas. “GROWTH AND YIELD OF CORN INTERCROPPED WITH GIANT IPIL-IPIL ON A HILLSIDE”. Annals of Tropical Research 2, no. 1 (March 10, 1980): 12–19. Accessed March 3, 2026. https://atr.vsu.edu.ph/article/view/835.