1 1 10 Yessy Kusumadewi Additional Author Rustan Darwis Primary Author Elizamiharti Additional Author Mohsi Additional Author Fahmi Assulthoni Additional Author Abdul Hamid Additional Author Kemal Idris Balaka Additional Author Bunyamin Additional Author Herniati Additional Author Ady Purwoto Additional Author mixed material 9786238051045 Padang Global Eksekutif Teknologi 2022 book005FH.JPG.JPG