Proceedings of the fourth biennial noxious plants conference, Hawkesbury Agricultural College, Richmond, N.S.W., 29th-3rd July, 1987 /

समान संसाधन

• Proceedings of the 5th Biennial noxious plants conference "Noxious plant control - responsibility, safety and benefits" [held at the] Northern Rivers College of Advanced Education, Lismore, 17th-21st July, 1989,
  प्रकाशित: (1989)
• Weed biology and control /
  द्वारा: Muzik, Thomas J., 1919-
  प्रकाशित: (1970)
• Proceedings of the third National Weeds Conference of South Africa /
  प्रकाशित: (1980)
• Applied weed science /
  द्वारा: Ross, Merrill A.
  प्रकाशित: (1985)
• Proceedings of the 5th bienniel noxious plants conference : "Noxious plant control - responsibility, safety and benefits", volume I, Northern Rivers College of Advanced education, Lismore, 17th - 21st July, 1989 /
  प्रकाशित: (1989)