Feldman, Robert Stephen, 1947-
McGraw-Hill, 2013
Buku Teks SO
Dewi Haroen
DH Media, 2018
Buku Teks SO
Adams, Linda
Gramedia Pustaka Utama, 1995
Buku Teks SO
Maxwell, John C.
Menuju Insan Cemerlang (MIC), 2014
Buku Teks
Vina Amelia Yulianti
2019
UI - Skripsi Membership