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Effendi, Usman (2021) Peer riview jurnal S-5 JMB UMT. UPI YAI, Jakarta, UPI YAI. (Unpublished)
Effendi, Usman (2021) RINGKASAN DISERTASI. UPI YAI, Jakarta, UPI YAI. (Unpublished)
Effendi, Usman (2020) Peer Review Jurnal S-5 JMB. UPI YAI, Jakarta, UPI YAI. (Unpublished)