NUZUL A. CONTEXTUAL TEACHING AND LEARNING EFECTIVITY FOR INCREASING ABILITY OF OPEN ECONOMIC UNDERSTANDING EFEKTIVITAS CONTEXTUAL TEACHING AND LEARNING DALAM MENINGKATKAN KEMAMPUAN MEMAHAMI PEREKONOMIAN TERBUKA. JPEB [Internet]. 2014Oct.31 [cited 2025May4];2(2):27-9. Available from: http://103.8.12.212:33180/unj/index.php/jpeb/article/view/1963