Analysis of Canteen Vendors’ Perceptions and Challenges In The Implementation of The Free Nutritious Meal (MBG) Program at SMP Negeri 7 Medan. Perspektif [Internet]. 2026 Aug. 31 [cited 2026 Oct. 20];4(2):84-9. Available from: https://journal.aspublisher.co.id/index.php/perspektif/article/view/1242