12 1 20 Hertanto Setia Darma dkk Primary Author mixed material 9786028789556 Hertanto Setia Darma dkk Primary Author mixed material 9786028798556 Hertanto Setia Darma dkk Primary Author mixed material 9786028789556 Hertanto Setia Darma dkk Primary Author mixed material 9786028789556 Hertanto Setia Darma dkk Additional Author mixed material 9786028798556 Hertanto Setia Darma dkk Primary Author mixed material 9786028798556 Hertanto Setia Darma dkk Primary Author mixed material 9786028798556 Hertanto Setia Darma dkk Additional Author mixed material 9786028798556 Hertanto Setia Darma dkk Primary Author mixed material 9786028798556 Hertanto Setia Darma dkk Primary Author mixed material 9786028796556 Hertanto Setia Darma dkk Additional Author mixed material 9786028798556 Hertanto Setia Darma dkk Primary Author mixed material 9786028798556