VERTICAL TRANSITION SYSTEM: ASSESSMENT ON OPERATIONAL EFFICIENCY AT MCDONALD’S CHARBEL MINDANAO AVE. QUEZON CITY. AASgBCPJMRA [Internet]. 2026 Jan. 13 [cited 2026 Jan. 30];6(1). Available from: https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/17212