https://hbr.org/2018/03/the-b2b-elements-of-value
https://www.amazon.co.uk/Blue-Ocean-Strategy-Expanded-Uncontested-ebook/dp/B00O4CRR7Y
https://www.amazon.co.uk/Rethinking-Competitive-Advantage-Rules-Digital/dp/052557560X
https://www.kunalshahtalks.com/post/kunal-shah-delta-4-theory
https://www.strategyzer.com/books/value-proposition-design
https://www.strategyzer.com/canvas/value-proposition-canvas
https://www.slideshare.net/ashmaurya/10-steps-to-productmarket-fit