Using the topic Optimizing Last$-$mile Delivery in Urban Areas: A Comprehensive Analysis of sustainable solutions

$*$Do a Research Theor$\frac{y}{m}$odel $*$Need to find a spporting theory for each research with examples

$*$Please don't give AI based answers. Thank you $*$i don't mind sir$/$madam taking time to answer this question but please make sure to give accurate answer and elaboration $*$Exp$..-$Co$-$creation value, according to Jenal et al$.(2021),$is a concept that calls for user participation in the production of services. Co

$-$creation value is the value produced by businesses that offer services to customers in order to integrate operations based on resource availability and assess the level of service quality $.........$this is just example to how do the question the not exp of the topic