1. Addiscott, T. M., Whitmore, A. P., & Powlson, D. S. (1991). Farming, Fertilizers and the Nitrate Problem. CAB International (CABI).
2. Ahmed, M., Salahin, M., Karim, R., Razvy, M., Hannan, M., Sultana, R., . . . Islam, R. (2007). "An Efficient Method for in Vitro Clonal Propagation of a Newly Introduced Sweetener Plant (Stevia Rebaudiana Bertoni.) in Bangladesh". American-Eurasian Journal of Scientific Research, 2(2), 121-125.
3. Al-Kaisi, M. M., & Yin, X. (2003). "Effects of Nitrogen Rate, Irrigation Rate, and Plant Population on Corn Yield and Water Use Efficiency". Agronomy journal, 95(6), 1475- 1482.
4. Debnath, M. (2008). "Clonal Propagation and Antimicrobial Activity of an Endemic Medicinal Plant Stevia Rebaudiana". Journal of medicinal plants research, 2(2), 045-051.
5. Fronza, D., & Folegatti, M. V. (2003). "Water Consumption of the Estevia (Stevia Rebaudiana (Bert.) Bertoni) Crop Estimated through Microlysimeter". Scientia Agricola, 60(3), 595-599.