Considering 'Many are based on industry-recognized models such as the Constructive Cost Model (COCOMO), PRICE, Putnam, and Jensen.', can one logically arrive at 'None of the models are based on the industry-recognised ones.'
Many are based on industry-recognized models such as the Constructive Cost Model (COCOMO), PRICE, Putnam, and Jensen.###None of the models are based on the industry-recognised ones.