na YOGYA-02110000005263 20110210115316691 ind 979-553-870-5 010-021100000005263 371.1 Jasin, Anwar Pembelajaran efektif Cet. 2 Jakarta Grasindo 1996 vii, 93 hlm.;ilus.;21 cm. Guru YOPDYOG[B] 99P0002262