6222
Natural resources and human environment for food and agriculture
Rome
Food and Agriculture Organization of the United Nations
1980
viii, 61p.: ill )1 col. fold(
FAO environment paper, 1
Includes bibliographical references
، Agricultural ecology
Natural resources ، Underdeveloped areas
S
589
.
7
.
N37
TI
CO Food and Agriculture Organization of the United Nations
SE
CL
