The study was carried out since 3, March, 2020. The major objective was that to see the epidemiology of corona virus in the world and its effects on the China economy. Secondary data was used and total 15 articles were downloaded from the net and read again and again and draw the conclusion...

Parthenium Hysterophorus L. is a very harmful and useful plant in the world. Seeing to its importance the present study was arranged to review the economics of this plant in the world. Secondary data was used and total sixteen articles were downloaded from the net webs and read many times and...