Investigación contemporánea en conducta operante /
| Main Author: | |
|---|---|
| Format: | Unknown |
| Language: | Spanish |
| Published: |
México D. F. :
Trillas,
1974
|
| Edition: | 1a.ed. |
| Subjects: |
Sistema Bibliotecario Universidad de El Salvador
| Call Number: |
150 |
|---|---|
| Copy | Available |