Dr.Syed Munawar Abbas,Dr. Muhammad Waris , Sundas Aslam. “ARISTOTLE’S THEORY OF PROPOSITION (A Critical Appraisal)”. Harf-O-Sukhan, Vol. 6, no. 1, Mar. 2022, pp. 358-67, https://harf-o-sukhan.com/index.php/Harf-o-sukhan/article/view/695.