ADINUGRAHA, Fajar. Gambaran Persepsi Peserta Didik tentang Kebermanfaatan Buku Pengayaan Ujian Nasional Biologi. EduMatSains : Jurnal Pendidikan, Matematika dan Sains, [S. l.], v. 2, n. 2, p. 99–114, 2018. DOI: 10.33541/edumatsains.v2i2.600. Disponível em: http://ejournal.uki.ac.id/index.php/edumatsains/article/view/600. Acesso em: 3 apr. 2025.