New ERA. (1980). Population education in the organized sector. New ERA.
Dyfyniad Arddull ChicagoNew ERA. Population Education in the Organized Sector. Kathmandu, Nepal: New ERA, 1980.
Dyfyniad MLANew ERA. Population Education in the Organized Sector. New ERA, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.