Sivarajasingam S. <br/><br/>
Genetic and some enviromental factors affecting birth weight of Zebu, Friesian and Jersey purebred and crossbred calves  [article] / 
S. Sivarajasingam, A. K. Kumar and A. B. Sobri 
 - Serdang :  MARDI,  1986 
<br/><br/> PTSL : K. Dokumen