AVELINO B. FELICITAS, JR. Development of Alternative Crops for Tobacco in Ilocos Sur. The Vector: International Journal of Emerging Science, Technology and Management (IJESTM), [S. l.], v. 3, n. 1, 1994. DOI: 10.69566/ijestm.v3i1.93. Disponível em: https://vector.unp.edu.ph/index.php/1/article/view/93. Acesso em: 20 sep. 2024.