Jamaldini MA, Asif M, Sultan GA. The Negative Effect of Multi-Grade Teaching on the Teachers’ Performance at Primary School Level in District Mastung, Balochistan. PLHR [Internet]. 2022 Mar. 31 [cited 2024 Jul. 22];6(1):140-39. Available from: https://ojs.plhr.org.pk/journal/article/view/503