Singha Prasitpong และ Ratchapak Chitaree. (2012) The frictional force learning module based on hans-on and interactive lecture demonstration approaches. Mahidol University:ม.ป.ท.Singha Prasitpong และ Ratchapak Chitaree. 2012. The frictional force learning module based on hans-on and interactive lecture demonstration approaches. ม.ป.ท.:Mahidol University;Singha Prasitpong และ Ratchapak Chitaree. The frictional force learning module based on hans-on and interactive lecture demonstration approaches. ม.ป.ท.:Mahidol University, 2012. Print.