MERCED-I (Mindanao Educational Resources for Curricular Enhancement and Development-Initiatives) on OER (Open Educational Resources). (2020). Environmental science & management [electronic resource]. resources for finding open and sustainable teaching and learning materials..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)MERCED-I (Mindanao Educational Resources for Curricular Enhancement and Development-Initiatives) on OER (Open Educational Resources). "Environmental Science & Management [electronic Resource]." Resources for Finding Open and Sustainable Teaching and Learning Materials. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)MERCED-I (Mindanao Educational Resources for Curricular Enhancement and Development-Initiatives) on OER (Open Educational Resources). "Environmental Science & Management [electronic Resource]." Resources for Finding Open and Sustainable Teaching and Learning Materials., 2020.