id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajceb-8710	Khan, Irfan Haider; Munawer, Taiyaba 	A Systematic Review of Economic Sustainability of Vertical Greenery Systems for Buildings	2024	25	.pdf	application/pdf	12993	584	54	While the benefit-cost (BC) ratio has not been reported in most studies, it has been calculated based on reported costs and benefits. The initial costs for direct green facades vary between €30/m2 and €45/m2 (Perini and Rosasco, 2013; Santi, et al., 2019), whereas indirect green facade costs are in the range of €38.58/m2 (¥290/m2, Dong and Huang, 2021) up to €335.48/m2 (Rosasco and Perini, 2018).	cache/ajceb-8710.pdf	txt/ajceb-8710.txt