2 1 10 waktu telu versus waktu lima Erni Budiwanti Primary Author mixed material 9798966511 sebuah penelitian Afadlal Primary Author M. Hamdan Basyar Editor Riza Sihbudi Primary Author Erni Budiwanti Primary Author A. Rahman Zainuddin Primary Author Dhuroruddin Mashad Primary Author mixed material 9794332534