IMPLEMENTATION OF DESIGN THINKING IN THE UMKM TIGA PUTRI RESTAURANT IN THE UNIVERSITY OF RIAU AREA. jasdim [Internet]. 29 November 2025 [dikutip 10 Februari 2026];4(2):78-89. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/jasdim/article/view/7251