Jeffty is vijf

From Author Wars - https://authorwars.com/books/jeffty-is-vijf-1877602.html

Overview:

Title: Jeffty is vijf
Author: Harlan Ellison
Year: 1979
Type: Short Fiction

Editions/Publications:

Unknown. SF. Top Class 1 (Unknown, Harlan Ellison, D.A.P. Reinaert, ISBN-10: 9031004588, 331 pages, unknown, Anthology)