To, Y.K. <br/><br/>
Basic principles in biology :  for H.K.C.E.E.(Book 1) 
Y.K.To. 
 - 2nd ed. (Book 1) 
 - Tsuen Wan :  Hung Fung Book Co.,  1979. 
 - iv, 215 p :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1881827642 ( pbk. )