Rifai, Akhmad Bahtiar, Universitas Negeri Semarang
Rifai, Ardiyan Muhammad
Rifai, Bachtiar Indra
Rifai, Dian Muhammad, Sahid University of Surakarta
Rifai, Hamdi, Department of Physics, FMIPA, Universitas Negeri Padang, Padang,
Rifai, Hamidi, Department of Physics, Faculty of Mathematics and Natural Science, Padang State University
Rifai, Ikhsan, Universitas Islam Negeri Sunan Kalijaga
Rifai, Irsan, Universitas Sebelas Maret
Rifai, Mien A.
Rifai, Muamar

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