Gettas, Gregory J. (December 1, 1990). "The Globalization of Sesame Street: A Producer's Perspective". Educational Technology Research and Development. 38 (4). Kluwer Academic Publishers: 56. doi:10.1007/BF02314645. ISSN1042-1629.
Gettas, Gregory J. (December 1, 1990). "The Globalization of Sesame Street: A Producer's Perspective". Educational Technology Research and Development. 38 (4). Kluwer Academic Publishers: 56. doi:10.1007/BF02314645. ISSN1042-1629.