Rama Sahtyawan universitas jenderal achmad yani yogyakarta Indonesia
Andika Bayu Saputra Universitas Jenderal Achmad Yani, Yogyakarta Indonesia
Syaeful Arief Universitas Jenderal Achmad Yani, Yogyakarta Indonesia
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Jumlah Pengunjung : dan Statistik Angkasa