Chapter II Review of Related Literature
This chapter includes the review of related literature and foreign and local studies on which the researchers pursued the topic about the particular study.

Foreign Literature
Local Literature
Foreign Studies
Local Studies
World Health Organization (2003), it is estimated that up to 80% of the population depends exclusively on plants for their health and healing The information and folk knowledge regarding the medicinal and therapeutic uses of these indigenous plant materials have been handed down from generation to generation through verbal communication.

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