Labor costs and crop protection from wildlife predation: the case of elephants in GabonDOI: info:10.1111/j.1574-0862.2011.00565.xv. 43No. 1Wiley-Blackwell61–73
Walker, Kendra L. 2012. "Labor costs and crop protection from wildlife predation: the case of elephants in Gabon." Agricultural Economics, 43, (1) 61–73. https://doi.org/10.1111/j.1574-0862.2011.00565.x.