Frias, C. M. (1996). Two-dimensional visual aids and the development of cognitive learning in elementary science.
Citazione stile Chigago Style (17a edizione)Frias, Cesar Manalo. Two-dimensional Visual Aids and the Development of Cognitive Learning in Elementary Science. 1996.
Citatione MLA (9a ed.)Frias, Cesar Manalo. Two-dimensional Visual Aids and the Development of Cognitive Learning in Elementary Science. 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.