සංක්ෂිප්ත ආයතන සංග්රහය Sankshiptha aayathana sangrahaya - Rajya sewa eksath heda sangamaya 1998 - (xv)129, 21 cm No.1 Subjects--Topical Terms: Appoint LetterPromotion Universal Decimal Class. No.: 35.071.1 / SRI