Ismail, M. R., & Othman, A. A. (1995). Ammonium (NH4+): Nitrate (NO3-) ratio and its relation to the changes in solution pH, growth, mineral nutrition and yield of tomatoes grown in nutrient film technique. Universiti Putra Malaysia Press.
Chicago Style (17th ed.) CitationIsmail, Mohd Razi, and Abd Aziz Othman. Ammonium (NH4+): Nitrate (NO3-) Ratio and Its Relation to the Changes in Solution PH, Growth, Mineral Nutrition and Yield of Tomatoes Grown in Nutrient Film Technique. Universiti Putra Malaysia Press, 1995.
MLA (9th ed.) CitationIsmail, Mohd Razi, and Abd Aziz Othman. Ammonium (NH4+): Nitrate (NO3-) Ratio and Its Relation to the Changes in Solution PH, Growth, Mineral Nutrition and Yield of Tomatoes Grown in Nutrient Film Technique. Universiti Putra Malaysia Press, 1995.