Another story on this topic : https://tribune.com.pk/story/1787880/1-pakistani-scientists-develop-arsenic-water-filter-using-watermelon-rind/
Published by Trudi Schifter, CEO and Founder AquaSPE
Another story on this topic : https://tribune.com.pk/story/1787880/1-pakistani-scientists-develop-arsenic-water-filter-using-watermelon-rind/