PRADANA, Agrissto Bintang Aji; KHASANAH, Marisatul. Peluang dan Tantangan Pengintegrasian Environmental Education dalam Materi Ajar Bahasa Inggris. Prosiding University Research Colloquium, [S. l.], p. 114–120, 2019. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/337. Acesso em: 18 may. 2024.