Fairchild, Geo T.
Rural welath and welfare economic principles illustrated and applied in farm life Geo T. Fairchild Geo T.
New York MacMillan 1900,
 Buku Teks
Wait, James R., author
Geo-electromagnetism
Academic Press, 1982
 Buku Teks
Portocarero, Herman, 1952-, author
Geo-grafitti
Manteau, 1992
 Buku Teks
Geo-informatika
Pusat Pelayanan Jasa dan Informasi Badan Koordinasi Survei dan Pemetaan Nasional ( BAKOSURTANAL),
 Majalah, Jurnal, Buletin
Bye, Raymond T., author
Applied economics : the application of economic principles to the problems of economic life
Appleton-Century-Crofts, 1947
 Buku Teks
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