Arifin, Arifah Novia, Arsad Bahri, and A. Irma Suryani. 2020. “Improving Android-Based E-Learning Skills of Biology Teachers in Enrekang Regency, South Sulawesi”. Journal of Community Service and Empowerment 1 (2):80-85. https://doi.org/10.22219/jcse.v1i2.12418.