Lo,C.P, & Yeung,Albert K.W. (2011). Concepts and techniques of geographics information systems (2nd ed.). PHI Learning.
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Dyfyniad Arddull Chicago
Lo,C.P, and Yeung,Albert K.W. Concepts and Techniques of Geographics Information Systems. 2nd ed. New Delhi: PHI Learning, 2011.
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Dyfyniad MLA
Lo,C.P, and Yeung,Albert K.W. Concepts and Techniques of Geographics Information Systems. 2nd ed. PHI Learning, 2011.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.