Capistrán-Gracia, Raúl Wenceslao, Conservatorio Nacional de Música (Mexico)
Chengyao, Duan, University Pendidikan Sultan Idris, Malaysia (Malaysia)
Chintyasari, Chintyasari, Lampung University (Indonesia)
Criswanto, Criswanto, Universitas Kristen Satya Wacana Salatiga (Indonesia)

    

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