Synonyms for «publishing channels»

Synonyms for individual words can be found below.

Are there still benefits to going through traditional publishing channels? (hubpages.com)
A distributor can distribute your book in limited ways, or into the big trade publishing channels. (deanwesleysmith.com)
Isn't the procedure to write a critique via the proper scientific publishing channels? (bishophill.squarespace.com)
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