K.R. BALASUBRAMANIAN; V. RAJA. Interval-valued intuitionistic fuzzy k-ideal in semi-rings. Malaya Journal of Matematik, India, v. 6, n. 04, p. 751–756, 2018. DOI: 10.26637/MJM0604/0008. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/922. Acesso em: 16 jul. 2024.