Pak-tao NG, Pedro Socio-demographic patterns of leisure behaviour of adorescents in Hong Kong / Pedro Pak-tao NG - Shatin : Chinese University of Hong Kong (CUHK) , 1984 - 40p. : ill. ; 20 cm. - CHKS Occasional paper No. 4 . Includes bibliographical references. Subjects--Topical Terms: Adolescents--Hong KongDemography Gov. Doc. Class. No.: HK CUHK ISS CHKS Op-4