Khana, U. .; Bashir, R. .; Shakoor, A. .; Batool, M. .; Naveed, S. .; Bokhari, S. A. R. . COMPREHENSIVE GC-MS METHOD FOR THE ESTIMATION OF EXTRACTABLE ORTHO-PHENYLPHENOLS (OPPS) CONTENTS IN TEXTILE AND LEATHER TEST SPECIMENS. IJNOT 2025, 1 (1), 30-39.