MERLIN MMM, MYSTICA AR. A COMBINATION OF GREY RELATIONAL ANALYSIS AND MINIMIZATION OF REGRET METHOD IN INTERVAL-VALUED INTUITIONISTIC FUZZY SET: CASE STUDY IN SELECTION PROCESS OF SALES ON MANGO-BASED BEVERAGES. IJMA [Internet]. 2018 Jan. 15 [cited 2026 May 19];9(1). Available from: http://www.ijma.info/index.php/ijma/article/view/5303