20210207015500.0 Alberta Environmental and earth sciences research journal. http://www.iieta.org/Journals/EESRJ Environmental and earth sciences research journal (Online) 2369-5676 2369-5676 Environmental and earth sciences research journal (Online) Environmental and earth sciences research journal. 2369-5676 2369-5668 portico Portico 2022/2022 2024-03-26 Preserved : 2022: 9 Preserved : 2022: 9(1, 3-4) Preserved International Information and Engineering Technology Association Environmental and Earth Science Research Journal 2369-5676 2369-5668 2369-5676 2015/2020 2024-03-26 Preserved : 2015: 2, 2016: 3, 2017: 4, 2018: 5, 2019: 6, 2020: 7 Preserved : 2015: 2(1-4), 2016: 3(1-4), 2017: 4(1-4), 2018: 5(1-4), 2019: 6(1-4), 2020: 7(1-3) Preserved International Information and Engineering Technology Association Environmental and Earth Science Research Journal 2369-5676 2369-5668