| 000 | 00460nam a2200157Ia 4500 | ||
|---|---|---|---|
| 999 |
_c13914 _d13914 |
||
| 082 | _aRN.0005 | ||
| 100 | _aNarayana Rao, S. | ||
| 245 | 0 | _aExperimental investigation of children's concepts of mass, weight and volume | |
| 260 |
_c1974 _bICSSR, New Delhi |
||
| 300 | _a44p. | ||
| 650 | _aCONSERVATION OF SUBSTANCE (PSYCHOLOGY) | ||
| 650 | _aAGE AND INTELLIGENCE | ||
| 650 | _aCOGNITION IN CHILDREN | ||
| 710 | _aS.V.University, Tirupati | ||
| 942 |
_cRP _2ddc |
||