Minimum wage law Republic Act 602 [as] amended by RA 4180, supplemented by Interpretative Bulletin, Bill of Rights, Bill of Rights, Agricultural Labor, Dept. of Labor order no. 14, Republic Act no. 4657, Republic Act no. 4707, Sugar Industry minimum order no. 1, Rules and regulations for teachers pay - Isidro, Romeo V.; Villavieja, Paciano C. (Kai Ming Press, 1968)