Teaching Sign Language to Chimpanzees, Very Good Trade Paperback

Teaching Sign Language to Chimpanzees

Teaching Sign Language to Chimpanzees by Gardner, R. Allen; Gardner, Beatrix T.

Common LISP The Language by Guy L Steele Jr 2nd Edition digital Press Softcover

Moodle 1.9 for Second Language Teaching By Jeff Stanford - softcover very good

Teaching Sign Language to Chimpanzees - Hardcover By Gardner, R. Allen Rare

Why Chimpanzees Can't Learn Language and Only Humans Can (Leonard Hastings S...