00641nam a22001937a 4500003000400000008004100004082001800045100002900063245018800092260003900280300001000319502001100329650004000340650001200380650001600392650001700408650001100425650001100436OSt250609b        |||||||| |||| 00| 0 eng d  a632.951bA81S  aAshraf, Mohammad Nayeem.  aStudies on the Bioefficacy of Insecticides Against Spodoptera Iitura Fabricius With Special Reference to the Residues of Endosulfan in/on Chewing Tobacco / cby Mohammad Nayeem Ashraf  a.- Pusa, Samastipurb: RAUc, 1987  a103p.  bM. Sc.  aEntomology and Agricultural Zoology  aTobacco  aBioefficacy  aInsecticides  aThesis  aM. Sc.