
ECOLOGICAL BALANCE AND GEOGRAPHIC RESEARCH OF AGRICULTURE II THE CONCEPT OF ECOLOGICAL BALANCE AND ECOSYSTEM AND SUCH TERMS AS NATURAL RESOURCES,ENVIRONMENT, PHYSICAL PLANNING ETC.
Huang Pingwei
GEOGRAPHICAL RESEARCH ›› 1982, Vol. 1 ›› Issue (2) : 1-7.
ECOLOGICAL BALANCE AND GEOGRAPHIC RESEARCH OF AGRICULTURE II THE CONCEPT OF ECOLOGICAL BALANCE AND ECOSYSTEM AND SUCH TERMS AS NATURAL RESOURCES,ENVIRONMENT, PHYSICAL PLANNING ETC.
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