Fernando Y, Fatimah S. The Efforts of Improving Motivation and Learning Outcomes Through The Power Of Two Type in the History Subject at Grade X Iis 3 in Sman 7 Solok Selatan. IJEDS [Internet]. 17Jan.2020 [cited 14May2024];2(1):160-8. Available from: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/214