| 000 | 00393 a2200145 4500 | ||
|---|---|---|---|
| 041 | _aEng | ||
| 082 |
_a007/ _bP571m |
||
| 100 | _aPiaget, Jean | ||
| 245 | _aMain trends in interdisciplinary research. | ||
| 260 |
_aLondon: _bAllen & Unwin, _cc1970, |
||
| 300 | _a73p. | ||
| 650 |
_aResearch design _aData _aData collection _aInterviews _aData retrieval |
||
| 653 | _aResearch | ||
| 942 |
_2ddc _cGEN |
||
| 999 |
_c67395 _d67381 |
||