KHUONG , The Hung, Phuong NGUYEN, Thi Cuc NGUYEN, Nhu Sang PHAM, i Danh Tuyen NGUYEN. „Identifying Correlation of Coal Seams in the Tien Hai Area, Northern Vietnam by Using Multivariate Statistic Methods”. Inżynieria Mineralna 1, no. 2 (grudzień 14, 2021). Udostępniono listopad 22, 2024. https://inzynieriamineralna.com.pl/index.php/testowe/article/view/232.