1 1 20 Frediro Arcello Primary Author Henrikus Redika Brian Putra Additional Author Adam Naufal Hafidz Nasution Additional Author Natalia Dita Putranti Additional Author Azzahra Vida Arwinna Additional Author Alvi Kartika Damayanti Additional Author Agustinus Ifan Kristanto Additional Author mixed material 9786025186288 Yogyakarta Al Muflihun Publishing 2018