Rivero, L. D. (1979). Children's conservation ability as related to some variables: Its implications for mathematical education.
Citación estilo ChicagoRivero, Lina Diaz. Children's Conservation Ability as Related to Some Variables: Its Implications for Mathematical Education. 1979.
Cita MLARivero, Lina Diaz. Children's Conservation Ability as Related to Some Variables: Its Implications for Mathematical Education. 1979.
Warning: These citations may not always be 100% accurate.