1. 1. M.A. Sabiha, R.Saidur, SaadMekhilef; “Renewable and sustainable energy reviews”, 51(2015), 1038-1054.
   2. M.A. Sabiha, R.Saidur, SaadMekhilef; “International conference on Advances in Science, Technology and Natural Resources [ICASENTNR-15],Aug-27-28, 2015 Kota kinabalu(Malaysia).
   3. R.Tang, Z.Li, H.Zhong, Q.Lan; “Assesmentofuncertainity in mean heat loss coefficient of all mean heat loss coefficient of all glass evacuated solar collector tube testing”, energy converse manage, 47(2006) 60-7.
   4. Kumar.R and Rosen, “Integrated collector- storage solar water heater with extended solar unit”, Applied Thermal Engineering, 31, 348-354, 2011.
   5.  Wongsuwan and Kumar, “Forced Circulation solar water heater performance prediction by TRNSYS and ANN” International journal of sustainable energy, 24(2), 69-86, 2005
   6. C.Xiao, H.Luo, R.Tang, H.Zhong. “ solar thermal utilization in china”, Renewable energy, 29(2004) 1549-56.
   7. G.Morrison, N.Tran,D.Mckenzie, I.oneley, G,Harding,Rcollins, “Long term performance of ETSWH in Sydney, Australia”, solar energy,32(1984) 785-91