MAMAJONOVA DILAFRO‘Z TURG‘UNBOY KIZI. IMPACT OF MANAGING VARIABLE AND FIXED COSTS ON FIRM PROFITABILITY. Ethiopian International Journal of Multidisciplinary Research, [S. l.], v. 13, n. 6, p. 151–156, 2026. Disponível em: https://eijmr.org/index.php/eijmr/article/view/7070. Acesso em: 21 aug. 2026.