Extension, Education and Communication Service, Research, Extension and Training Division, Sustainable Development Department, & Rivera, W. M. (2003). Agricultural extension, rural development and the food security challenge.
Chicago-čujuhus (17. p.)Extension, Education and Communication Service, Extension and Training Division Research, Sustainable Development Department, juo William McLeod Rivera. Agricultural Extension, Rural Development and the Food Security Challenge. 2003.
MLA-čujuhus (9. p.)Extension, Education and Communication Service, et al. Agricultural Extension, Rural Development and the Food Security Challenge. 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.