Sunarhadi, R. M. A., P. Setyono, L. Kusumaningrum, S. Rahmawati, S. Suhardono, and H. H. Abdul Matin. “E-Commerce www.blonjo.Online As Climate Change Campaign by Micro, Small and Medium Business Enterprise”. Journal of Geography Science and Education, vol. 4, no. 2, Aug. 2023, pp. 11-18, doi:10.32585/jgse.v4i2.2910.