409 A.2d 521 David P. Lechmanik, Petitioner v. Commonwealth of Pennsylvania, Unemployment Compensation Board of Review, Respondent. Commonwealth Court of Pennsylvania.Argued December 3, 1979 January 4, 1980. Unemployment compensation — Credibility — Weight of the evidence — Unemployment Compensation Law, Act 1936, December 5, P.L. (1937) 2897 — Wilful misconduct — Failure to perform assigned […]