Klasifikasi wahana UFO: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
→Pola Operasi: #1Lib1Ref #1Lib1RefID |
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.5 |
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== Referensi ==
* {{id}} http://www.betaufo.org/download.html {{Webarchive|url=https://web.archive.org/web/20100822063458/http://www.betaufo.org/download.html |date=2010-08-22 }}
* {{id}} Salatun J. 1982. ''UFO, Salah Satu Masalah Dunia Masa Kini''. Jakarta: Yayasan Idayu.
* {{en}} Hynek, Joseph Allen. 1972. ''The UFO Experience, a Scientific Inquiry''. Chicago: Regnery.
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