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Dyfyniad Arddull ChicagoOosterhof, Albert. Classroom Applications of Educational Measurement. Columbus, Ohio: Merrill, 1990.
Dyfyniad MLAOosterhof, Albert. Classroom Applications of Educational Measurement. Columbus, Ohio: Merrill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.