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Sakino, Sakino, SMPN 1 Balai Jaya Kabupaten Rokan Hilir (Indonesia)
Sandhy, Helen Novita, Post Graduate Student of Riau University (Indonesia)
Sandy, Meli, Post Graduate Student of Riau University (Indonesia)
Sapril, Sapril, 1SD Paramount School Palembang (Indonesia)
Saputra, Andri (Indonesia)
Saputra, Beni (Indonesia)
Saputra, Eka, Post Graduate Student of Riau University (Indonesia)
Saputri, Desrusnahwaty, UNRI (Indonesia)
Sari, Herlina Permata, Pascasarjana Universitas Riau (Indonesia)
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