Haikal, M. and Gofur, A. 2016. Pengembangan Bahan Ajar Matakuliah Pencemaran Lingkungan Berbasis Wordpress. Wacana Didaktika. 4, 2 (Dec. 2016), 150–155. DOI:https://doi.org/10.31102/wacanadidaktika.4.2.150-155.