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School food service programs and commodity market support
Nelson, Paul Edwin, (1982)
Pupil response to changes in school milk prices in Wisconsin
Halvorson, Harlow W., (1960)
School lunch and breakfast programs
(1973)
Injuries and accident causes in fertilizer manufacturing : a detailed analysis of hazards and injury-frequency rates in 1946 by region, plant-size and department
McElroy, Frank S., (1949)
Injuries and accident causes in the boilershop-products industry
McElroy, Frank S., (1958)
Injuries and accident causes in the fabrication of structural steel and architectural metalwork
McCormack, George R., (1962)