Consulting effectiveness: Methodologies for assessing ROI from the implementation of new sales techniques and training programs in large enterprises
Crossref DOI link: https://doi.org/10.30574/wjarr.2025.26.3.2384
Published Online: 2025-06-30
Update policy: https://doi.org/10.30574/wjarr.ourcrossmarkpolicy
Kazaryan, Tigran
