Saguay C, Proaño R, Jácome B, Aguirre D. Implementation of a fuzzy relational database. Case study: academic tutoring. Enfoque UTE [Internet]. 2017Feb.24 [cited 2024Apr.26];8(1):pp. 77 - 91. Available from: https://ingenieria.ute.edu.ec/enfoqueute/index.php/revista/article/view/151