Niwano, Nikkyo
Kosei Publishing, 1968
Buku Teks
Heru Kurnianto Tjahjono, author
muhammadiyah university, faculty of economy and business, 2014
Artikel Jurnal
Muchammad Hatta, author
Fakultas Teknik Universitas Indonesia, 2005
UI - Skripsi (Membership)
Fania Oktaliani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2015
UI - Skripsi (Membership)
Shimizu, Ryuei, author
Keio Tsushin, 1980
Buku Teks