id	domain	url
agsci-644	doi.org	https://doi.org/10.30560/as.v2n2p42
agsci-644	doi.org	https://doi.org/10.1007/bf02853654
agsci-644	faostat3.fao.org	http://faostat3.fao.org
agsci-644	doi.org	https://doi.org/10.2139/ssrn.2564541
agsci-644	doi.org	https://doi.org/10.1016/j.fcr.2015.04.002
agsci-644	doi.org	https://doi.org/10.1007/s12230-010-9164-1
agsci-644	doi.org	https://doi.org/10.3362/0957-1329.2006.017
agsci-644	doi.org	https://doi.org/10.9734/jaeri/2015/13700
agsci-644	doi.org	https://doi.org/10.1080/03056244.2019.1622210
agsci-644	doi.org	https://doi.org/10.1080/03066150.2011.583642
agsci-644	doi.org	https://doi.org/10.30560/as.v1n1p39
agsci-644	doi.org	https://doi.org/10.1177/0030727017690655
agsci-644	doi.org	https://doi.org/10.1016/j.fcr.2015.04.002
agsci-644	creativecommons.org	http://creativecommons.org/licenses/by/4.0/)