Al Sakkaf, Khaled Abdulla Zain, <br/><br/>
Immunisation in children between 12 - 23 months of age and its determinants in aden-yamen :  a quantitative and qualitative analysis / 
Khaled Abdulla Zain Al-Sakkaf. 
 - xv, 219 pages :  illustrations ;  30 cm. 
<br/><br/> In process - PPUKM. 
<br/><br/>Theses (Ph.D) - Universiti Kebangsaan Malaysia, 
<br/><br/>References : pages 181 - 194 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Universiti Kebangsaan Malaysia--Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dissertations, Academic--Malaysia.<br/>Infancy and childhood.