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Haron, Zaiton, Nadirah Darus, Ming Han Lim, Zanariah Jahya, Mohamad Fauzi Abdul Hamid, Khairulzan Yahya, Yee Ling Lee, and Ngian Shek Poi. A Preliminary Study of Occupational Noise Exposure Among Leaf Blower and Grass Cutter Workers in Public University. Penerbit UTM Press, 2015.

Haron, Zaiton, et al. A Preliminary Study of Occupational Noise Exposure Among Leaf Blower and Grass Cutter Workers in Public University. Penerbit UTM Press, 2015.