The LEC Mindanao newsletter volume 1, number 4, October 1958.
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Davao City
Labor Education Center, University of the Philippines
1958.
|
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Davao City
Labor Education Center, University of the Philippines
1958.
|