<style face="normal" font="default" size="100%">The use of Tin Can API for web usage mining in E-learning applications on the social network</style>

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3<style face="normal" font="default" size="100%">The use of Tin Can API for web usage mining in E-learning applications on the social network</style><style face="normal" font="default" size="100%">The use of Tin Can API for web usage mining in E-learning applications on the social network</style>