Sangalang, Princess R. <br/><br/>
Development and validation of an english language attitude scale for ayta mag-antsi  [manuscript] / 
Princess R. Tiamzon-Sangalang. 
 - Magalang, Pampanga :  Pampanga State Agricultural University,  2016. 
 - ix, 90 leaves ;  28 cm. + 1 CD.