Gumulya , Devanny. “Kajian Studi Kasus Social Enterprise Dari Sudut Pandang Konsep Design for Happiness”. Jurnal Desain IDEA: Jurnal Desain Institut Teknologi Sepuluh Nopember Surabaya 18, no. 1 (June 20, 2025): 11–19. Accessed March 27, 2026. https://journal.its.ac.id/index.php/idea/article/view/3964.