Sri Wahyuni, Martalena Br. S. Kembaren, & Noverita Sprinse Vinolina. (2025). Hydroponic Production Training Towards Adiwiyata Schools at Gelora Jaya Nusantara Vocational School Medan. Outline Journal of Community Development, 3(1), 47-52. https://journal.outlinepublisher.com/index.php/OJCD/article/view/477