|
|
|
|
| LEADER |
00953na a2200229 4500 |
| 003 |
SV-SsUSB |
| 008 |
080722t1973////ag adklg||||||||1|||spa|| |
| 020 |
|
|
|a 950518042X
|
| 040 |
|
|
|a Sistema Bibliotecario Universidad de El Salvador
|b spa
|
| 041 |
|
|
|a esp.
|
| 082 |
0 |
|
|a 001.434
|b C186d
|
| 100 |
1 |
|
|a Campbell, Donald F.
|
| 245 |
0 |
|
|a Diseños experimentales y cuasiexperimentales en la investigaciòn social /
|c Donald F. Campbell y Julian C. Stanley.
|
| 250 |
|
|
|a 1a. ed.
|
| 260 |
|
|
|a Buenos Aires , Argentina :
|b Amorrortu Editores ,
|c 1973.
|
| 300 |
|
|
|a 168 p.
|b Ils.
|c 19.5 ctms.
|
| 500 |
|
|
|a Incluye ìndice.
|
| 504 |
|
|
|a Incluye referencias bibliogràficas p. 140 - 152.
|
| 650 |
|
7 |
|a MÈTODO EXPERIMENTAL.
|2 lemb
|
| 942 |
|
|
|c BK
|8 ddc
|
| 999 |
|
|
|c 152020
|d 152020
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 001_434000000000000_C186D
|7 0
|8 CG
|9 270905
|a 30
|b 30
|c GN
|d 2008-06-05
|e | BIBLIOTECA CENTRAL
|h
|i 30025772
|l 8
|o 001.434 C186d
|p 30025772
|r 2015-06-16
|s 2015-06-16
|t 1
|w 2008-07-22
|y BK
|