OBETEN, B.; BIU, E. O.; GEORGE, N. R. Optimization of production cost of palm oil. Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 4, n. 2, p. 135–143, 2023. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/188. Acesso em: 16 sep. 2024.