The effect of reward and punishment in learning english of madrasah aliyah laboratorium uin su medan
Lubis, Nur Mailan · Repository UIN Sumatera Utara
This research was conducted to know the effect of applying the effect of reward anf punishment in learning English of Madrasah Laboratorium UIN SU Medan in the academic year of 2018/2019. The population of this research was the class X –MIA and X-IA and the samples of this research was taken from 25 students of Experimental class (X –MIA) and 30 students of…