Research for Social Workers : An introduction to methods / Margaret Alston, Wendy Bowles

 Alston, Margaret; Bowles, Wendy;

New York \r\n London : Routledge and Tailor\r\nFrancis Group , 2003

Concept mapping for planning and evaluation / Mary Kane, William M. K. Trochim; edited by Leonard Bickman, Debra J. Rog

 Bickman, Leonard; Kane, Mary; Trochim, William M. K.;

London : SAGE , 2007

Praktikum metode riset bisnis

 lupiyoadi, rambat; Ikhsan, Ridho Bramulya;

Jakarta : Salemba Empat , 2015