1 1 30 Gladis Ratuliu Primary Author Priscillia Merylin Saluy Primary Author Martha K. Silalahi Primary Author Syafruddin Ali Salaka Primary Author Nur Febrianti Primary Author Iyar Siswandi Primary Author Cusmarih Primary Author Maria Astrid Primary Author Alpian Jayadi Primary Author Achmad Fauzi Primary Author Maria Ulfah Ashar Primary Author Reny Deswita Primary Author mixed material 9786231135469 MEDAN Yayasan Kita Menulis 2024 Screenshot_2024-12-19_160221.png.png