Tyagi, S. K. (2004). Teaching of arithematic. Commonwealth Publishers.
Dyfyniad Arddull ChicagoTyagi, S K. Teaching of Arithematic. New Delhi: Commonwealth Publishers, 2004.
Dyfyniad MLATyagi, S K. Teaching of Arithematic. Commonwealth Publishers, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.