By Chiu H. R.   Ma H. K.   in Particulate Science and Technology

ISSN:0272-6351|27|1|57-67

Taylor & Francis Ltd‎(2009)‎

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By Cheung P.C.   Ma H.K.   Shek D.T.L.   in Journal of Adolescence

ISSN:0140-1971|21|1|31-42

Academic Press‎(1998)‎

Access to resources Favorite 1.7841892