M. Daud Mursal Lubis, Nurjamiyah. IMPROVING OPERATIONAL EFFICIENCY VIA END USER DEVELOPMENT: A WEB-BASED SALES MANAGEMENT SYSTEM FOR DR. BARON POMADE. JKBTI [Internet]. 2026 May 10 [cited 2026 Sep. 3];5(2):243-52. Available from: https://ojs.ninetyjournal.com/JKBTI/article/view/440