Purba, Ranggi Sumanjaya, Department of Agronomy, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta
Purba, Ridhoi Meilona
Purba, Rivan Koswara, Sebelas Maret University
PURBA, RIZAL WILSANDRA
Purba, Saut, Universitas Negeri Medan
Purba, Saut
Purba, Selvita Eka Eviana, Universitas Sebelas Maret
Purba, Selvita Eka Eviana, Sebelas Maret University
Purba, Siska Oberlina, Post Graduate Biology Education Program State University of Medan
Purba, Sukarman, Universitas Negeri Medan

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