TY - BOOK T1 - Theory and problems of adolescent development A1 - Ausubel, David Paul A2 - Montemayor, Raymond A2 - Svajian, Pergrouhi N. LA - English PP - New York PB - Grune & Stratton YR - 1977 UL - https://tuklas.up.edu.ph/Record/UP-99796217603736794 OP - 572 CN - BF 724 A8 1977 KW - Adolescent psychology. ER -