The LEC wokers' education bulletin volume 3, number 5, January-February 1958.
| Formatua: | Liburua |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
Manila
Labor Education Center, University of the Philippines
1958.
|
| Formatua: | Liburua |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
Manila
Labor Education Center, University of the Philippines
1958.
|