1. Barfield A, Bergstrom J, Ferreira S. An economic valuation of pollination services in Georgia. In: Selected Paper Prepared for Presentation at the Southern Agricultural Economics Association Annual Meeting; February 4-7, 2012; Birmingham, AL; 2012
2. Hanley N, Breeze TD, Ellis C, Goulson D. Measuring the economic value of pollination services: Principles, evidence and knowledge gaps. Ecosystem Services. 2015;14:124-132
3. FAO. Tools for conservation and use of pollination services. In: Economic Valuation of Pollination Services: Review of Methods; 2006
4. Fukase J, Simons AM. Increased pollinator activity in urban gardens with more native flora. Applied Ecology and Environmental Research. 2015;14:297-310
5. Gallai N, Salles J-M, Settele J, Vaissière BE. Economic valuation of the vulnerability of world agriculture confronted with pollinator decline. Ecological Economics. 2009;68:810-821