http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
20 tahun kecemerlangan pengurusan alam sekitar di Malaysia (1975-1995)
20 years environmental management excellence in Malaysia (1975-1995)
edited by Patrick Tan Hock Chuan....[et. al.