Distribution analysis of CO2 gas concentration at the Putri Cempo Landfill IndonesiaAmin Sunarhadi, Hashfi Hawali Abdul Matin, Daffa Ananda Risdian, Devia Rahma Rizka, Dinara Afrida Saleh, Hanifah Asma Salsabila and Aulia Tsalatsa AgustinaE3S Web Conf., 682 (2025) 04002DOI: https://doi.org/10.1051/e3sconf/202568204002