TY - BOOK AU - Perera, Nimal TI - රක්ෂණයේ භාවිතය සහ වෙළඳපල SN - 9789558923009 U1 - 368 PY - 2003/// CY - Colombo PB - Sri Lanka Insurance Corporation KW - Insurance KW - Insurence N1 - Text in Sinhala ER -