(1)
Wongchana, B.; Issarakraiasila, M.; Maneepong, S. Nitrogen and Zinc on Growth and Nutrient Concentrations in Leaf of Pummelo Cv. Kao - Thongdee (Citrus Maxima (Burm.) MerrĀ . Thai Agric.Res.J. 2011, 29, 248-261.