Some Bulgarian research in the behavioral sciences: Institute of labor protection and occupation diseases
1980 ◽
Vol 44
(5)
◽
pp. 268-269
◽
1984 ◽
Vol 48
(8)
◽
pp. 448-452
1980 ◽
Vol 13
(2)
◽
pp. 123-124
1971 ◽
Vol 4
(3)
◽
pp. 184-187
1976 ◽
Vol 31
(4)
◽
pp. 275-283
◽
Keyword(s):
Keyword(s):