21. Silent spring
پدیدآورنده : Carson, Rachel Louise
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Toxicology ، Pesticides,، Wildlife conservation,Biological control ، Insects, Injurious and beneficial
رده :
SB
955
.
C3
22. Sterility principle for insect control or jointly organized by the IAEA and FAO and held in Athens, 14-18 September 1970
پدیدآورنده :
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Insects, Injurious and beneficial - Biological control,Entomological research
رده :
SB
975
.
I5
