Kowy, Uah Roa. Chemical regulation of tomato fruit ripening / by Uah Roa Kowy. - Lae : Dept. of Chemical Technology, Papua New Guinea University of Technology, 1978. - iv, 21 leaves. Final year project (B. Sc.)-- Papua New Guinea University of Technology. Subjects--Topical Terms: Tomatoes--Papua New Guinea.Tomatoes--Ripening.