@book{74350, author = {Gunawardhane, Raja }, title = {A study on the effectiveness of short‐term in‐service teacher training in the teaching learning process}, publisher = {National Education Commission of Sri Lanka}, year = {2011}, address = {[Colombo]}, url = {http://www.nec.gov.lk/web/images/pdf/research/general/inservicett.pdf} }