Fernando, W. O. T. Sri Lanka Foreign Service : Open Comparative Exam : For Recruitment To Grade III ( Part - I ) : IQ Test Comprehension - Dehiwala: Gihan Bookshop Publication, 2021. - 88 p. ; 29.5 cm ISBN: 9786245520190 Subjects--Topical Terms: Memory - psychology Dewey Class. No.: 153.9 / Fer