B. O. Orji, C. G. Anaukwu, C. C. Orji, and H. C. Osumuo, “SUSTAINABLE PIGMENT BIOPRODUCTION: SERRATIA MARCESCENS ISOLATED FROM THE LOCAL ENVIRONMENT AS A SOURCE OF FOOD-GRADE PRODIGIOSIN”, The Bioscientist, vol. 13, no. 2, pp. 1-14, Dec. 2025.