Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 13 references without a DOI — listed, not checked
no DOI — not checkedAllen, M. J. and W. M. Yen: 1979,Introduction to Measurement Theory (Brooks/Cole Publishing Company, Monterey, CA).
no DOI — not checkedBeauchamp, T. and N. Bowie (eds.): 1988,Ethical Theory and Business (Prentice Hall, Englewood Cliffs, NJ).
no DOI — not checkedBlalock, H. M., Jr.: 1981,Social Statistics (McGraw Hill, Singapore).
no DOI — not checkedGuilford, J. P.: 1956,Fundamental Statistics in Psychology and Education (McGraw-Hill, New York).
no DOI — not checkedKavathatzopoulos, I.: 1988,Instruction and the Development of Moral Judgment (Almqvist & Wiksell, Stockholm).
no DOI — not checkedKohlberg, L.: 1969, ?Stage and Sequence: The Cognitive-Developmental Approach to Socialization?, in D. A. Goslin (ed.),Handbook of Socialization Theory and Research (Rand McNally, Chicago).
no DOI — not checkedKohlberg, L.: 1976, ?Moral Stages and Moralization: The Cognitive Development Approach?, in T. Lickona (ed.),Moral Development and Behavior (Holt, Rinehart & Winston, New York).
no DOI — not checkedKohlberg, L.: 1985, ?The Just Community: Approach to Moral Education in Theory and Practice?, in M. Berkowitz and F. Oser (eds.),Moral Education: Theory and Application (Lawrence Erlbaum Associates, Hillsdale, NJ).
no DOI — not checkedMoll, L. C. (ed.): 1990,Vygotsky and Education: Instructional Implications and Applications of Sociohistorical Psychology (Cambridge University Press, Cambridge, England).
no DOI — not checkedPiaget, J.: 1932,The Moral Judgment of the Child (Routledge & Kegan Paul, London).
no DOI — not checkedPiaget, J.: 1962,comments on Vygotsky's Critical Remarks (The M.I.T. Press, Cambridge, MA).
no DOI — not checkedPower, F. C.et al.: 1989,Lawrence Kohlberg's Approach to Moral Education (Columbia Univ. Press, New York).
no DOI — not checkedVelasquez, M. G.: 1988,Business Ethics: Concepts and Cases (Prentice Hall, Englewood Cliffs, NJ).
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