Immanuel, Tukkot, and Farrell Eduardo. “Motif Ekonomi, Sosial, Dan Psikologis Dalam Keputusan Investasi Usaha Laundry Baru: Studi Kualitatif UMKM Di Pontianak Barat”. Jesya 9, no. 1 (January 7, 2026): 1-11. Accessed August 29, 2026. https://stiealwashliyahsibolga.ac.id/jurnal/index.php/jesya/article/view/2474.