Studies on environmental impact assessment
A study on the airborne pollen of Pondicherry: interpretation and applications of the pollen calendar
Ecological studies of Ranunculus sceleratus L. growing in locality of Varanasi
Ecological studies of a dominant grass Dichanthium annulatum (Forssk) Stapf. growing under the influence of local carpet industry effluent
An ecological study of Medicinal and aromatic plant vitex negundo linn
