Mose, M., Ochanda, S., Moseti, K., Wanyoko, J., Owuor, P., Kinyua, J., Kariuki, D., Magiri, E. and Obanda, M. 2018. Catechins and Plain Black Tea Parameters Variations in Selected Tea Growing Agro-Ecological Zones in Kenya. International Journal of Tea Science. 14, 01 (Mar. 2018), 49-55. DOI:https://doi.org/10.20425/ijts1417.