Maximizing biohydrogen production from watermelon peels using Clostridium butyricum NE133: a statistical optimization approach with Plackett–Burman and Box–Behnken designs. - Elerakey, Norhan; Rasmey, Abdel-Hamied M.; Mohammed, Youseef M.; Aboseidah, Akram A.; Hawary, Heba (Biotechnology for Biofuels & Bioproducts, 2025)