Ali, Muzaffar, Abdul Hamid, and Ghani Rahman. 2021. “Acquisition of English Derivational Morphemes by Students at Selected Universities in Khyber Pakhtunkhwa, Pakistan”. Liberal Arts and Social Sciences International Journal (LASSIJ) 5 (1). Peshawar, Pakistan:338-55. https://doi.org/10.47264/idea.lassij/5.1.22.