Worldcon Programming—Then and Now

From Author Wars - https://authorwars.com/books/worldcon-programming--then-and-now-1765706.html

Overview:

Title: Worldcon Programming—Then and Now
Author: Mike Resnick
Year: 2014
Type: Essays

Editions/Publications:

Unknown. Mike Resnick's Worldcons (Unknown, Mike Resnick, Edizioni Della Vigna, ISBN-10: 9788862761260, $23.00, 323 pages, Trade Paperback, Non-fiction)