كتب ذات صلة

Proceedings : Conference on milk problems, under the auspices of the New York milk committee, December 2nd and 3rd, 1910. At ... New York ...

Principles and practice of milk hygiene

The modern milk problem in sanitation, economics, and agriculture

Clean milk

• Report of Rochester milk survey
  المؤلفون: North, Charles Edward
• Farmers'' clean milk book
  المؤلفون: North, Charles Edward
• Report of Rochester milk survey
  المؤلفون: North, Charles Edward