USMAN, Gambo Ibrahim; IBRAHIM, Mohammed Alhaji. THE ECONOMIC ADVANTAGES OF SPRAY PESTICIDES ON COWPEAS (Vigna unguiculata L. Walp) PRODUCTION IN GOMBE LOCAL GOVERNMENT AREA, GOMBE STATE, NIGERIA. BIJE - BICHI JOURNAL OF EDUCATION, [S. l.], v. 10, n. 1, p. 93–100, 2020. Disponível em: https://bijejournal.com/BIJE/article/view/75. Acesso em: 23 nov. 2024.