Zainabul Hasna and Waryono (2025) “GUEST COMPLAINT HANDLING USING THE LEAPS METHOD AT SELERA RESTAURANT NONGSA POINT MARINA & RESORT BATAM”, Multidiciplinary Output Research For Actual and International Issue (MORFAI), 5(5), pp. 7509–7512. doi: 10.54443/morfai.v5i5.4359.