作 者:Shikha Dhall ;Praveen Thukral
出 处:Indian Journal of Innovations and Developments. 2012 ;1(6):461-465.
出 版 社:Indian Society for Education and Environment
文 章 ID:185261977
作 者:Praveen Thukral ;Vibha Chawla
出 处:Contemporary Educational Technology. 2011 ;2(1):77-87.
出 版 社:Contemporary Educational Technology
文 章 ID:83615132