Evaluation of the design and optical errors for a parabolic trough collector field in an Algerian desert region: Gassi-Touil as a study area Authors Ghodbane M.; Boumeddane B.; Hussain F.; Zhar R.; Lahrech K.; Bhatti J.; Zhang B.; Yassin H.; De Silva L.C.; Barbón A. Publisher Energy Reports Publication year 2022