Identifying the Factor that Promotes Vertical Partnerships: Empirical Evidence from Tier-1 and Tier-2 Companies in Jabodetabek-Indonesia. Indonesian J. Sci. Technol [Internet]. 2024 Jan. 15 [cited 2025 Aug. 25];4(1):119-33. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/190