00572nam a22001937a 4500 20210927092628.0 210926b1972 usa||||| |||| 00| 0 eng d 0700223894 BD-DhBPA BD-DhBPA 370.72 MAC 1972 Martorella, Peter H. CONCEPT LEARNING / Peter H. Martorella. U S A International Textbook Company, 1972. 286 p, ; : ill, 21 cm. Include Indexes Education 147597 Educational Research 147598 ddc BK 52683 52683 0 0 ddc 0 0 DRPATC DRPATC GEN 2021-09-26 0 370.72 MAC 1972 DH13085 2021-09-26 00:00:00 2021-09-26 BK