TY - GEN ED - DEPARTMENT OF WILDLIFE CONSERVATION TI - Sustainability of medicinal plant extraction and its impact on savannah grassland ecology in Nilgala SN - 9789551580186 PY - 2007/// CY - [s.l.] PB - Dept. of Wildlife Conservation KW - WILDLIFE CONSERVATION KW - CONSERVATION OF NATURAL RESOURCES KW - BOTANY, MEDICAL KW - MEDICINAL PLANTS KW - GRASSLANDS KW - NILGALA N1 - Methodology; Results; Discussion and recommendation ER -