Arrif, Toufik, 		Benchabane, Adel, 		Chehhat, Abdelmadjid, 		Belaid, Abdelfetah, AND 		Rouag, Amar.
" Numerical simulation of convective heat losses in a helical tube of a cylindrical solar receiver" <em>Journal of Applied Engineering Science &amp; Technology</em> [Online], Volume 4 Number 2 (27 June 2018)