Tuan, Nguyen Thanh, Tran Thuy Chi, Uong Dinh Khanh, and John Muasya Kioko. 2020. “Conservative Valuation of Typical Volcanic Landscapes in the Pleiku Basaltic Plateau: Some Improvement”. Vietnam Journal of Earth Sciences 42 (1):15-40. https://doi.org/10.15625/0866-7187/42/1/14756.