HARSONO, ARIEF; PRATIWI, HERDINA. The increase of Ultisol productivity based on intercropping cassava with peanut and soybean. Nusantara Bioscience, Surakarta, ID, v. 9, n. 2, p. 157–163, 2017. DOI: 10.13057/nusbiosci/n090209. Disponível em: https://smujo.id/nb/article/view/1750. Acesso em: 4 jun. 2026.