Tunggak B, Tamjis MF. KONSEP AKAD AL-JU’ALAH DI DALAM PERUSAHAAN MULTI-LEVEL MARKETING (MLM) PATUH SYARIAH (THE CONCEPT OF AL-JU’ALAH CONTRACT IN SYARIAH COMPLIANT MULTI-LEVEL MARKETING COMPANY (MLM) ). UMRAN [Internet]. 2015 Mar. 10 [cited 2024 Nov. 23];2(1). Available from: https://jurnalumran.utm.my/index.php/umran/article/view/11