http://reply.papertrans.cn/3/203/20274/20274-31.png
http://reply.papertrans.cn/3/203/20274/20274-32.png
http://reply.papertrans.cn/3/203/20274/20274-33.png
http://reply.papertrans.cn/3/203/20274/20274-34.png
Submitted on: 22 April 2016.
Revised on: 01 May 2016.
Accepted on: 07 May 2016.
Jurnal Penelitian dan Pembelajaran IPA
Submitted on: 06 July 2004.
Revised on: 15 July 2004.
Accepted on: 08 August 2004.
NULL