Coles, Robert
The moral life of children/Robert Coles
The Atlantic Monthly Press, 1986
 Buku Teks
Spaemann, Robert
Basic moral concepts = Moralische grundbegriffe / Robert Spaemann; translated by T.J. Armstrong
Routledge, 1991
 Buku Teks
Krishna Nararya
Analysis of Past Performance and Valuation of Coles = Analisis Kinerja dan Valuasi Coles
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2024
 UI - Makalah dan Kertas Kerja
Love, Harold D.
Assessment of intelligence and development of infants and young children
Charles C. Thomas, 1990
 Buku Teks
Long, Roberrt H.
Artificial intelligence for commercial lenders : state of the art/ Robert H. Long
Robert Morris Associates , 1990
 Buku Teks