Zayir, Saʻd ʻAli, <br/><br/>
al-Mawsu'ah al-ta'limiyah al-mu'asarah / 
al-Ustadh al-Duktur Sa'd'Ali Zayir [and four others]. 
 - 2 volumes :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>9789957616151  RM332.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Encyclopedias.<br/>Social sciences--Statistical methods.<br/>Research--Methodology.