Assenov A, Vassilev K, Padeshenko H, Koulov B, Ivanova E, Borisova B. Research of the Biotope Diversity for the Purposes of Economic Valuation of Ecosystem Services in Chepelare Municipality (The Rhodopes Region of Bulgaria). EJSD [Internet]. 2016Oct.1 [cited 2024May2];5(4):409. Available from: http://www.ecsdev.org/ojs/index.php/ejsd/article/view/418