TY - BOOK AU - Ekanayaka, S.J. TI - 5-E අධ්‍යාපන රැල්ල SN - 978-955-302278-3 U1 - 371.3 PY - 2009/// CY - Colombo PB - Godage KW - School and their activities KW - Methods of instruction and study KW - Education ER -