Bahri, Z, Department of Mathematics, Faculty of Mathematics and Natural Sciences, University of Riau, Kampus Bina Widya Simpang Baru Km. 12.5 Pekanbaru, Riau, Indonesia (Indonesia)
Bratakusuma, Danu, PT. Pertamina (Indonesia)
Budianto, Dwi (Indonesia)
Budiman, A A
Bura, Romie Oktavianus
Bura, Romie Oktovianus (Indonesia)

    

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