PRINSIP KHIYAR DALAM JUALAN BARANGAN: KAJIAN TERHADAP AKTA KONTRAK 1950 (AKTA 136)(THE PRINCIPLE OF KHIYAR IN SELLING OF GOODS: A STUDY ON THE CONTRACT ACT 1950 (ACT 136)). UMRAN. 2017;4(1). doi:10.11113/umran2017.4n1.109