1. Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, Jl. Willem Iskandar, Pasar V, Medan Estate, Medan, 20221, North Sumatra, Indonesia
2. Department of Biology, Faculty of Sciences and Technology, Islamic University of Assyafiiyah, Jl. Jatiwaringin Raya, No 12, East Jakarta,17411 Indonesia
3. Department of Biology, Faculty of Sciences and Technology, Islamic State University Sunan Ampel Surabaya, Jl. Ahmad Yani 117 Surabaya, East Java, 60237, Indonesia