http://reply.papertrans.cn/1/53/5211/5211-11.png
Submitted on: 07 August 2011.
Revised on: 06 November 2011.
Accepted on: 22 November 2011.
___________________CHILD CARE HEALTH AND DEVELOPMENT
http://reply.papertrans.cn/1/53/5211/5211-13.png
Submitted on: 21 January 2014.
Revised on: 01 May 2014.
Accepted on: 16 May 2014.
___________________CHILD CARE HEALTH AND DEVELOPMENT
http://reply.papertrans.cn/1/53/5211/5211-15.png
Submitted on: 24 November 2015.
Revised on: 02 January 2016.
Accepted on: 23 January 2016.
___________________CHILD CARE HEALTH AND DEVELOPMENT
http://reply.papertrans.cn/1/53/5211/5211-17.png
http://reply.papertrans.cn/1/53/5211/5211-18.png
Submitted on: 14 May 2024.
Revised on: 07 June 2024.
Accepted on: 14 July 2024.
___________________CHILD CARE HEALTH AND DEVELOPMENT
Submitted on: 31 August 2023.
Revised on: 25 October 2023.
Accepted on: 25 November 2023.
___________________CHILD CARE HEALTH AND DEVELOPMENT