Journal of Human Ergology
Online ISSN : 1884-3964
Print ISSN : 0300-8134
ISSN-L : 0300-8134
CHANGES OF WORKING AND SLEEPING HOURS OF FARMERS IN ACCORDANCE WITH TECHNOLOGICAL INNOVATION IN AGRICULTURE
Kazue INOUE
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1974 Volume 3 Issue 2 Pages 131-141

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© Human Ergology Society
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