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Research Journal of Applied Sciences 9 ( 8 ): 474 - 480 , 2014
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The Social Sciences 9 ( 6 ): 369 - 374 , 2014
Chamhuri Siwar, Norzalina Zainudin, Er Ah Choy and Norshamliza Chamhuri
The Social Sciences 11 ( 20 ): 5017 - 5022 , 2016