RT Journal Article SR Electronic(1) A1 Al-Qahtani, Muneera SaadYR 2016 T1 The economics of sustainable retrofitting JF , VO 2016 IS 3 OP SP 36 DO https://doi.org/10.5339/qproc.2016.qgbc.36 PB Hamad bin Khalifa University Press (HBKU Press), SN 2226-9649, AB , UL https://www.qscience.com/content/papers/10.5339/qproc.2016.qgbc.36