De Silva, S.I.S.; Bulathgama, B.E.A.U.; Somarathna, K.T.A.G.; Ranasingha, R.D.A.K.; Priyankara, H.A.C.; Karunarathna, K.H.T.; Rajawatta, K.M.W.; Chandana, E.P.S.
(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2022-06-16)
The soap has been playing a key role in personal hygiene practices in industries, service sector
and households. The demand for hand washing soap is continuously increasing due to the
recommendation of frequent hand ...