Packard Rosa Covington.
The Hidden Hinge / Rosa Covington Packard. - N.Y. : Notre Dame, Ind. : Ballantine Books ; Fides Publishers, 1972. - v, 218 p. ; 18 cm.
Bibliography: p. 206-214
0819000744
74188958
1021860 ChTaNC
Montessori Maria 1870-1952.
Education, Preschool.
Self-development.
教育
LB1140.2 / .P28
372.1/3
The Hidden Hinge / Rosa Covington Packard. - N.Y. : Notre Dame, Ind. : Ballantine Books ; Fides Publishers, 1972. - v, 218 p. ; 18 cm.
Bibliography: p. 206-214
0819000744
74188958
1021860 ChTaNC
Montessori Maria 1870-1952.
Education, Preschool.
Self-development.
教育
LB1140.2 / .P28
372.1/3