Dr. Miguel Caldas, Dr.SaeidJafari, Dr.Raja Mohammad Latif, Dr.Arafa A. Nasef. 2021. “ON A CLOSURE SPACE VIA SEMI-CLOSURE OPERATOR”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (14):5447-45. https://doi.org/10.17762/turcomat.v12i14.11656.