Manual of soil and water conservation practices /

समान संसाधन

• Manual of soil and water conservation practices /
  द्वारा: Singh, Gurmel
  प्रकाशित: (1990)
• Soil and water conservation /
  द्वारा: Troeh, Fredrick R.
  प्रकाशित: (1980)
• Soil and water conservation /
  द्वारा: Troeh, Fredrick R.
  प्रकाशित: (1980)
• Soil Erosion /
  द्वारा: Morgan, R. P. C.
  प्रकाशित: (1979)
• Soil Erosion /
  द्वारा: Morgan, R. P. C.
  प्रकाशित: (2005)