Tien Nguyen, T. . “Landsat Time-Series Images-Based Urban Heat Island Analysis: The Effects of Changes in Vegetation and Built-up Land on Land Surface Temperature in Summer in the Hanoi Metropolitan Area, Vietnam: DOI: 10.32526/Ennrj.18.2.2020.17”. Environment and Natural Resources Journal, vol. 18, no. 2, Feb. 2020, pp. 177-90, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/239886.