Wibowo, T., Setyowireni, D. and Wahab, A. (2008) “Liquid crystal thermometry for early detection of hypothermia in newborns in neonatology ward, Sardjito Hospital, Yogyakarta”, Paediatrica Indonesiana, 48(1), pp. 5-9. doi: 10.14238/pi48.1.2008.5-9.