Kumpulan Daftar Isi Buku 613.072 SAL r (Rs) Research... : Experimental research designs. ( Lihat Bab. 5 ) ( halaman. 115-146 ) Crosby, Richard A; Salazar, Laura F; DiClemente, Ralph J. San Francisco : John Wiley & Sons, Inc; 2015 https://lib.fkm.ui.ac.id:443/detail?id=128783