Instructional aids, how to make and use them
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Dubuque, Iowa,
W. C. Brown Co.
[1970]
|
| Gaiak: |
| Deskribapen fisikoa: | xiv, 267 p. illus. 28 cm. |
|---|---|
| Bibliografia: | Includes bibliographical references. |
| ISBN: | 697060403 |