551
Economics, Commonwealth Bureau of Agricultura, 326.39-C734l-P
| Commonwealth Bureau of Agricultural Economics |
1982
326.39-C734l-P,
552
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1987
530.05-A512i-P,
553
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1987
530.05-A512i-P,
554
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1986
530.05-A512i-P,
555
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1986
530.05-A512i-P,
556
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1985
530.05-A512i-P,
557
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1985
530.05-A512i-P,
558
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1984
530.05-A512i-P,
559
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1984
530.05-A512i-P,
560
, 530.05-A512i-P
| American Institute of Industrial Engineers |
1983
530.05-A512i-P,
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