PIRO WAPUMBA, N. M. . “THE COST-VOLUME-RESULT MODEL IN SMALL BUSINESSES IN THE AGRICULTURAL AND LIVESTOCK SECTOR: A STUDY APPLIED AT THE SANTA FILOMENA AVIARY-BENGUELA, ANGOLA”. Revista Sol Nascente, vol. 14, no. 3, Feb. 2026, pp. 183-98, https://www.revista.ispsn.org/index.php/rsn/article/view/678.