Zainabul Hasna, Waryono. GUEST COMPLAINT HANDLING USING THE LEAPS METHOD AT SELERA RESTAURANT NONGSA POINT MARINA & RESORT BATAM. MORFAI [Internet]. 2025 Nov. 1 [cited 2025 Nov. 26];5(5):7509-12. Available from: https://radjapublika.com/index.php/MORFAI/article/view/4359