Balagalle, Wimal G. සිංහල භාෂාධ්යයන ඉතිහාසය = sinhala bhashadhyayana ithihasaya - Colombo: Godage, 1998. - 228p.; 21cm ISBN: 955-20-3377-2 Subjects--Topical Terms: Sinhala Language Dewey Class. No.: 491.487 / BAL