Especial course in crop and livestock estimating and reporting as lectured by Roy L. Gillett. Interpreted by Miguel A. Valencia.

Xehetasun bibliografikoak
Erakunde egilea:	Centro Latin-Americano de Capitacion y Demostracion Estadistica Agricola
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Quito 1952.
Gaiak:	Agriculture > Stat. Agricultural estimating and reporting. Stock and stock-breeding > Stat.