Ang, K. P. (1979). A geographical and socio-economic study of the paddy cultivation in Mukim Balai Panjang, Malacca, Peninsular Malaysia. Dept. of Geography, Nanyang University.
Lua i Stíl Chicago (17ú heag.)Ang, Koh Ping. A Geographical and Socio-economic Study of the Paddy Cultivation in Mukim Balai Panjang, Malacca, Peninsular Malaysia. Singapore: Dept. of Geography, Nanyang University, 1979.
Lua MLA (8ú heag.)Ang, Koh Ping. A Geographical and Socio-economic Study of the Paddy Cultivation in Mukim Balai Panjang, Malacca, Peninsular Malaysia. Dept. of Geography, Nanyang University, 1979.
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