Agricultural economics
Boyle, James E
Agricultural economics by James E. Boyle - Philadelphia J.B. Lippincott 1921 - ix, 448 p. illus. 22 cm. incl. ports. diagrs.
Agriculture
631.1 B792A
Agricultural economics by James E. Boyle - Philadelphia J.B. Lippincott 1921 - ix, 448 p. illus. 22 cm. incl. ports. diagrs.
Agriculture
631.1 B792A