Muhammmad Isa Indrawan, Hasrul Azwar Hasibuan, Elfitra Desy Surya, and Rahul Ardian Fikri. “ HUMAN RESOURCE-BASED ENTREPRENEURSHIP IN ERA OF INDUSTRIAL REVOLUTION 4.0 : A STUDY ON DIGITAL STARTUPS IN MEDAN”. Multidiciplinary Output Research For Actual and International Issue (MORFAI) 5, no. 3 (September 20, 2025): 5154–5159. Accessed September 16, 2026. https://radjapublika.com/index.php/MORFAI/article/view/4059.