Maharani, Nada Satya  (2026) {JALUR NON REGULER - LOMBA} DESIGN AND DEVELOPMENT OF USER INTERFACE AND USER EXPERIENCE (UI/UX) FOR THE “KALANA COMMERCE” MOBILE E-COMMERCE APPLICATION FOR THE REFACTORY HACKATHON COMPETITION.  S1 - Sarjana thesis, Universitas AMIKOM Yogyakarta.