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Tiittanen, Riitta.
V: Psykologia. - ISSN 0355-1067. - 23(1988) : 5, s. 394-396
Psykologia. - ISSN 0355-1067. - 23(1988) : 5, s.394-396
Journal article
V: Psykologia. - ISSN 0355-1067. - 23(1988) : 5, s. 394-396
Psykologia. - ISSN 0355-1067. - 23(1988) : 5, s.394-396
Journal article