By Ren Lixin   Pope Edwards Carolyn   in Early Child Development and Care

ISSN:0300-4430|185|4|614-630

Routledge Ltd‎(2015)‎

Access to resources Favorite 11.500145

By Ren Lixin   Irwin George W.   in International Journal of Systems Science

ISSN:1464-5319|34|1|787-803

Taylor & Francis Ltd‎(2003)‎

Access to resources Favorite 10.736725