1. Aquatic pests on irrigation systems: identification guide
پدیدآورنده : Otto, Norman E
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : ، Aquatic pests,، Irrigation water
رده :
QH
96
.
O88
1980
2. Aquatic pests on irrigation systems: identification guide
پدیدآورنده : / by N. E. Otto and T. R. Bartley. Illustrated by D. W. Cunningham
کتابخانه: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
موضوع : Aquatic pests,Irrigation water
رده :
QH96
.
O88
1980
3. Pesticides in urban environments :
پدیدآورنده : Kenneth D. Racke, editor ; Anne R. Leslie, editor
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Pesticides-- Environmental aspects, Congresses,Pesticides-- Toxicology, Congresses,Urban ecology (Sociology), Congresses
رده :
RA1270
.
P4
P49
1993
