UNESCO’s Book Coupons
MAR 01, 1951
Sales reach $1,000,000 mark
DOI: 10.1063/1.3067179
Two years ago, Unesco introduced its coupon system for facilitating the international exchange of books, scientific apparatus, and educational films, and according to a recent report from Lake Success more than $1,000,000 in sales have been made during this period.
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© 1951 American Institute of Physics
