Aprenda a convivir con los niños nuevos métodos para padres y maestros /

by Patterson, Gerald R.
Published 1971

Families, applications of social learning to family life /

by Patterson, Gerald R.
Published 1975

Living with children : new methods for parents and teachers /

by Patterson, Gerald R.
Published 1976

Living with children; new methods for parents and teachers /

by Patterson, Gerald R.
Published 1971

Families: applications of social learning to family life /

by Patterson, Gerald R.
Published 1971

Families: applications of social learning to family life /

by Patterson, Gerald R.
Published 1971