2 1 10 Fadillah Tri Auliya Additional Author Sefi Indra Gumilar Additional Author mixed material 9786922443254 Jakarta Kementerian Pendidikan Dan Kebudayaan, Riset Dan Teknologi Republik Indonesia 2021 WhatsApp_Image_2021-09-06_at_20.19.12_%285%29.jpeg.jpeg Fadillah Tri Auliya Additional Author Sefi Indra Gumilar Additional Author mixed material 9786922443230 Jakarta Kementerian Pendidikan Dan Kebudayaan, Riset Dan Teknologi Republik Indonesia 2021 WhatsApp_Image_2021-09-08_at_20.40.15_%284%29.jpeg.jpeg