| 000 | 00560naa a2200145 4500 | ||
|---|---|---|---|
| 001 | 187376 | ||
| 090 | _a187376 | ||
| 100 | _a20040322 y0pory5003 ba | ||
| 200 | 1 |
_aCausation and control _fJeff Evans |
|
| 463 | 1 |
_eOpen Univ Press, 1981 _vLondon _vp. 5-44 _tResearch methods in education and the social sciences. block 3a : research design _015704 |
|
| 606 | 1 | _aMétodos de Investigação | |
| 686 | _a2260 - Métodos de Investigação e Designs Experimentais | ||
| 700 | 1 |
_aEvans _bJeff |
|
| 856 | 4 | _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/m.htm | |