“…Such studies were considered evaluations of the proposal. Studies that proposed specific solutions and evaluated their proposals included: Skoutas and Simitsis (), Spahn et al (), Niinimäki and Niemi (), Romero and Abelló (), Jiang et al (), Romero et al (), Selma et al (), Thenmozhi and Vivekanandan (), Etcheverry and Vaisman (), Samuel (), Lamolle et al (), Nebot and Berlanga (), and Ravat et al (). Studies that proposed specific solutions that were evaluated using an example included: Skoutas and Simitsis (), Niemi et al (), Nazri et al (), Salguero et al (), Sell et al (), Salguero et al (), Bergamaschi et al (), Martin et al (), Sell et al (), Thenmozhi and Vivekanandan (), Ali et al (), Khouri et al (), Elamin and Feki (), Talebzadeh et al (), El Sarraj et al (), Di et al (), and Steiner et al ().…”