APA-čujuhus (7. p.)
Havelock, R. G., & Huberman, A. M. (1977). Solving educational problems: The theory and reality of innovation in developing countries. Unesco.
Chicago-čujuhus (17. p.)
Havelock, Ronald G., juo A. M. Huberman. Solving Educational Problems: The Theory and Reality of Innovation in Developing Countries. Paris: Unesco, 1977.
MLA-čujuhus (9. p.)
Havelock, Ronald G., juo A. M. Huberman. Solving Educational Problems: The Theory and Reality of Innovation in Developing Countries. Unesco, 1977.
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