Purba IPMH, Adrianto H, Silitonga HTH. Penguatan Kompetensi Guru Biologi Sidoarjo Menghasilkan Buku Ajar Bebas Plagiarisme. abd [Internet]. 2020Nov.20 [cited 2025Jan.15];2(2):157-66. Available from: https://abdi.ppj.unp.ac.id/index.php/abdi/article/view/69