Optimizing extraction of antioxidative biostimulant from waste onion peels for microalgae cultivation via response surface model - Suparmaniam, Uganeeswary; Lam, Man Kee; Rawindran, Hemamalini; Lim, Jun Wei; Pa'ee, Khairul Faizal; Yong, Kelly Tau Len; Tan, Inn Shi; Chin, Bridgid; Pau, Show Loke; Lee, Keat Teong (Elsevier, 2023)