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Gaya APA
Diraatmadja, E.(1980).Membangun Mengukur dan Menentukan Titik-Titik di Lapangan (Surveying) .Indonesia:.
Gaya MLA
Diraatmadja, E.."Membangun Mengukur dan Menentukan Titik-Titik di Lapangan (Surveying)".Indonesia:,1980.Text.