TY - BOOK AU - Lembaga Penyelidikan Undang-2 TI - Akta keselamatan sosial pekerja 1969 (akta 4) SN - 9789678919098 PY - 2012/// CY - Petaling Jaya, Selangor PB - International Law Book Services KW - SAINS KEMASYARAKATAN N1 - Includes indexes ER -