المؤلفون: Hanson, Gregory, Kodl, Richard, Lucier, Gary, Erickson, Kenneth

المصدر: http://ageconsearch.umn.edu/record/326556.

Relation: https://ageconsearch.umn.edu/record/326556/files/1988-67.pdf; http://ageconsearch.umn.edu/record/326556

الاتاحة: http://ageconsearch.umn.edu/record/326556
https://ageconsearch.umn.edu/record/326556/files/1988-67.pdf

المؤلفون: Kellogg, Earl, Kodl, Richard, Garcia, Philip

المصدر: American Journal of Agricultural Economics, 1986 Dec 01. 68(5), 1347-1352.

URL الوصول: https://www.jstor.org/stable/1241906

المؤلفون: Hanson, Gregory, Kodl, Richard, Lucier, Gary

المصدر: http://ageconsearch.umn.edu/record/309470.

Relation: https://ageconsearch.umn.edu/record/309470/files/aib543.pdf; http://ageconsearch.umn.edu/record/309470

الاتاحة: https://doi.org/10.22004/ag.econ.309470
http://ageconsearch.umn.edu/record/309470
https://ageconsearch.umn.edu/record/309470/files/aib543.pdf

المؤلفون: Kellogg, Earl, Kodl, Richard, Garcia, Philip

المصدر: http://ageconsearch.umn.edu/record/278450.

Relation: https://ageconsearch.umn.edu/record/278450/files/aaea-1986-153.pdf; http://ageconsearch.umn.edu/record/278450

الاتاحة: https://doi.org/10.22004/ag.econ.278450
http://ageconsearch.umn.edu/record/278450
https://ageconsearch.umn.edu/record/278450/files/aaea-1986-153.pdf

المؤلفون: Hanson, Gregory, Kodl, Richard, Lucier, Gary

Relation: https://ageconsearch.umn.edu/record/309470/files/aib543.pdf

الاتاحة: https://ageconsearch.umn.edu/record/309470/files/aib543.pdf

المؤلفون: Kellogg, Earl, Kodl, Richard, Garcia, Philip

Relation: https://ageconsearch.umn.edu/record/278450/files/aaea-1986-153.pdf

الاتاحة: https://ageconsearch.umn.edu/record/278450/files/aaea-1986-153.pdf