Spyridakis, J H.(1989). Signaling Effects: Increased Content Retention and New Answers—Part II. Journal of Technical Writing and Communication, 19(4), 395-415. doi:10.2190/493q-703b-jbvd-e0t9
MLA CitationSpyridakis, Jan H. "Signaling Effects: Increased Content Retention and New Answers—Part II". Journal of Technical Writing and Communication, 19.4 ( 1989 ): 395-415.
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