Legal Protection of Workers Helping The Legal Relationship Disclaimers (PHK) Sepihak is Connected with Law Number 13 Year 2003 about Employment JO Law Number 2 of 2004 Concerning The Discussion Of Industrial Relationship (Case Study of Decision Number 251 K / Pdt.Sus-PHI / 2016) - Mariana, Hana (Universitas Islam Bandung, 2017)