http://gpcc2023.nesa-india.org/event/business-meeting-2020/2023-07-16T10:01:23+00:00http://gpcc2023.nesa-india.org/event/recent-trends-challenges-in-green-chemistry-pollution-control-and-climate-change-gpcc-2023/2023-07-16T09:39:17+00:00