Girjakumar & Krishankumar. (1983). Philosophy of user Education. Vikas.
Dyfyniad Arddull ChicagoGirjakumar and Krishankumar. Philosophy of User Education. Vikas, 1983.
Dyfyniad MLAGirjakumar and Krishankumar. Philosophy of User Education. Vikas, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.