Ito Book Hindi umiiral sa iyong wika, Tingnan sa: English (en),
O gamitin ang Google Translate:  

Erosion and pollution problems exist in every country, and each country has its own approach to managing and conserving soil and water.  Soil and waqter conservation is everybody's business.

Publication Details

  • Published: 1980
  • Publisher: Prentice-Hall
  • ISBN-10: 0138221553
  • Dewey Decimal: 333.72
  • ECHO Library: 333.72 TRO
  • ECHO Asia Library: SB.020

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