Liu Liangpu และ Poschanan Niramitchainont. (2014) Learning motivation and achievement in Chinese language of high school students in Huaykuang district Bangkok, Thailand. Mahidol University:ม.ป.ท.Liu Liangpu และ Poschanan Niramitchainont. 2014. Learning motivation and achievement in Chinese language of high school students in Huaykuang district Bangkok, Thailand. ม.ป.ท.:Mahidol University;Liu Liangpu และ Poschanan Niramitchainont. Learning motivation and achievement in Chinese language of high school students in Huaykuang district Bangkok, Thailand. ม.ป.ท.:Mahidol University, 2014. Print.