This research aims to know the effect of learning based activity toward understanding of concepts and problem analysis in psyco-pshysiology class of pshycology faculty. Islamic state university. Participants are 68 first year students which are divided into control group and treatment group. 34 students of control group have lecturing and multimedia non animated method while other 34 ... https://stehlenautomotivers.shop/product-category/tonneau-cover/