P. T. Vinh, V. Thinh, N. H. Tu and V. A. Tai, Preliminary research on protective functional mapping for a basin base on ecological landscape analysis and assessment applied at Chu River basin, Thanh Hoa province, Vietnam J. Earth Sci. 35 (2014) 336–341. DOI: https://doi.org/10.15625/0866-7187/35/4/4117.