英文文献：Do farmers economically value seeds of different quality differently? Evidence from willingness to pay studies in Tanzania and Ghana
英文文献作者：Maredia, Mywish K.,Shupp, Robert S.,Opoku, Edward,Mishili, Fulgence J.,Reyes, Byron A.,Kusolwa, Paul,Kusi, Francis
英文文献摘要：
DRAFT version, do not cite. See FSID Working Paper at https://ageconsearch.umn.edu/record/270988.