| Title | Echo development notes (EDN) |
| Publication Type | Journal |
| Authors | ECHO -North Ft. Myers, FL, US, Educational Concerns for Hunger Organization |
| Date Published | 1970-01-01 |
| Publisher | ECHO, Educational Concerns for Hunger Organization |
| Place Published | North Ft. Myers, FL, USA |
| Keywords | appropriate technology, non-governmental organizations |
| Custom 1 | 161 |
