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Volume 44, No. 4, December  2007
Contents

Research Articles

Life Sciences

Diversity of the Genus Spirogyra (Zygnemophyceae Shameel) in the north-eastern areas of Pakistan
A. Zarina, Masud-ul-Hasan and Mustafa Shameel
 







225

Physical Sciences

On the Fekete-Szego problem for some subclasses of analytic functions defined by convolution
G. Murugusundaramoorthy, S. Kavitha and Thomas Rosy

249
Analytic approximations for Volterra population equation
A. El-Nahhas
 		 255
Modified Dirac equation with classical Zitterbewegung
Nizar Hamdan, A. Altorra and H.A. Salman
 		 263
The Noor integral operator and multivalent functions
A.Y. Lashin and M. K. Aouf
 		 273


Article deleted


Medical Sciences

Distribution of ABO and Rh blood group alleles in Mandi Bahauddin District of Punjab, Pakistan
Mohammad Anees, Aksa Jawad and Iftikhar Hashmi

 289
Engineering Sciences & Technology

T-type Naphtha pump strainer mesh failure analysis
Muhammad A. Butt, Muhammad A. Virk, Arshad Chughtai
Ijaz H. Khan and Munir Ahmad

295
Review

 Wheat genomics: challenges and alternative strategies
Syed Sarfraz Hussain and Raheel Qamar
 

305
 
Instructions to Authors
 		 329