Open AccessResearch and Standards
Author(s) -
Thomas Francis
Publication year - 1949
Publication title -
american journal of public health and the nation's health
Language(s) - English
Resource type - Journals
eISSN - 2330-9679
pISSN - 0002-9572
DOI - 10.2105/ajph.39.5_pt_2.64
Subject(s) - psychology