id	keyword
ejpam-6864	e −
ejpam-6864	i=1 ϱi(−
ejpam-6864	j=1 ζj
ejpam-6864	∑n i=1
ejpam-6864	∑m j=1
ejpam-6864	ξij
ejpam-6864	ϱi(− ln(1−∆t
ejpam-6864	ϱi(− ln(φt
ejpam-6864	ln(θt
ejpam-6864	fuzzy
ejpam-6864	ln(φt ξij
ejpam-6864	ξnm
ejpam-6864	operators
ejpam-6864	method
ejpam-6864	ij=1