فهرس المقالات Integral equation. حرية الوصول المقاله صفحة الملخص نص كامل 1 - Fixed Point Theorems in Orthogonal Intuitionistic Fuzzy b-metric Spaces with an Application to Fredholm Integral Equation Fahim Uddin Muhammad Saeed Khaleel Ahmad Umar Ishtiaq Salvatore Sessa https://doi.org/10.71602/tfss.2024.1119656