edited by F. S. P. Ng and H. S. Yong

Academy of Sciences Malaysia : Universiti Pertanian Malaysia Press c2000

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volume editor, Yong Hoi Sen ; contributors, Ahmad Mustaffa Babjee ... [et al.]

Archipelago Press 1998 The encyclopedia of Malaysia v. 3

所蔵館13館

Yong Hoi-Sen

Tropical Press c1983

所蔵館5館

Yong Hoi-Sen

Tropical Press c1981 Malaysian natural heritage

所蔵館8館

by Chin Hoong Fong and Yong Hoi-Sen

Tropical Press 1980

所蔵館12館

by P.Y. Berry ; [edited by Yong Hoi-Sen]

Tropical Press 1975

所蔵館2館