TY - BOOK AU - De Silva, S. R. TI - Some Concepts Of Labour Law SN - Not Given U1 - 344.01 DES PY - 1977/// CY - Colombo PB - Lake House Investments Limited KW - Employment Workmen Act 1971 KW - Employer And Employee KW - Gratuity KW - Labour Law N1 - Includes Index ER -