371 A.2d 561 Nicholas Argentina, Appellant v. Unemployment Compensation Board of Review of the Commonwealth of Pennsylvania. Commonwealth Court of Pennsylvania.Argued March 10, 1977 April 1, 1977. Unemployment compensation — Words and phrases — Wilful misconduct — Unemployment Compensation Law, Act 1936, December 5, P.L. (1937) 2897 — Interference with employer’s business. Page 470 1. […]