Published by UNESCO,, 1970
Seller: Harry Alter, Sylva, NC, U.S.A.
paperback, Condition: poor, UNESCO Paris, 1970, 7"x8-1/2", paperbk., 57pp., musty, ow G $.
paperback, Condition: poor, UNESCO Regional Office for Education in Asia, Bangkok, 1975, trade paperbk., 54pp., musty, ow G $.