DAVOODI, S.M.; ABDUL RAHMAN, N.A. Solving fully fuzzy linear programming problems by controlling the variation range of variables. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 103, n. 3, p. 13–24, 2021. DOI: 10.31489/2021m3/13-24. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/445. Acesso em: 4 jul. 2025.