1 1 20 Tanudjaja, Rahmiati Additional Author Soeherman, Sylvia Primary Author Alinurdin, David Editor Han, Weilin Additional Author Yahya, Kresnayana Additional Author Pigai, Shem Additional Author Tjandra, David Additional Author Pranata, Moeljadi Additional Author Suhendra, Junianawati Editor Lebang, Esra Nining U Editor LP2M STT SAAT Malang Contributor mixed material 9786239412944 Malang STT SAAT 2021 merdeka_belajar_1.png.png