00282nam a22000977a 4500 210927b |||||||| |||| 00| 0 eng d Geosciences and Mining Journal Series- 02 Thimphu : Department of Geology and Mines, 2021. 61 p. 24 cm. ddc 8898 8899 0 0 ddc 0 0 PERIODICALS RTCLIB RTCLIB PERIODICALS 2021-09-27 16219 0 Periodical Serials 30015201 2021-09-27 00:00:00 2021-09-27 PERIODICAL