http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cuốn sách giới thiệu các phương pháp rèn luyện nhân cách cho trẻ thông qua các bài học từ thiên nhiên
Personality,Personality development,Multivariate analysis
In infancy and childhood.,In infancy and childhood