B.Sridhar, Revanth Kumar Ponnana , Srinivas Elakurthi ,. 2021. “SPATIAL DISTRIBUTION OF GROUNDWATER QUALITY PARAMETERS KANDIVALASA RIVER BASIN SRIKAKULAM AND VIZIANAGARAM DISTRICT ANDHRA PRADESH A GIS APPROACH”. Annals of the Romanian Society for Cell Biology 25 (6):999-1011. https://annalsofrscb.ro/index.php/journal/article/view/5586.