1.
Karim S, Saeed A, Haq N, Kharal AA. Language Learning Process: An Investigation of the Developmental Pattern of Negative Constructions using Frequency Analysis Method. PJSS [Internet]. 2021Sep.30 [cited 2026Jan.15];41(3):597-609. Available from: https://pjss.bzu.edu.pk/index.php/pjss/article/view/1015