임지룡 ...[et al.]
Deoseochulphan Park Lee Jeong, 2013
Buku Teks
Choi, Jun-sik
Sakyejul, 1998
Buku Teks
William, Stueck
Nanam, 2005
Buku Teks
Presilia Prihastuti
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2012
UI - Skripsi Open
Kang, Man-Su
Samsung Economic Research, 2005
Buku Teks