Liang, J.B. <br/><br/>
Energy requirements for pregnancy and some reproductive characteristics of Kedah-Kelantan, Brahman x Kedah-Kelantan crossbred and buffalo heifers / 
J.B. Liang, M.N. Samiyah and O. Ahmad Shokri 
 - Serdang :  MARDI,  1991 
 - p. : 101