Sagala LP. Implementation of Adiwiyata “Green School” in Chieving Education for Sustainable Development (Case Study at Forestry Vocational School of Pekanbaru). kaunia [Internet]. 2019 Oct. 31 [cited 2025 Jan. 19];15(2):31-5. Available from: https://ejournal.uin-suka.ac.id/saintek/kaunia/article/view/1794