Asmita Ashok Pakale, Pratibha Tanaji Jadhav and Pranali Dilip Jadhav (2018) “DIGITAL PH METER”, Journal of Electronic Design Engineering, 4(1), pp. 15–18. Available at: http://matjournals.co.in/index.php/JOEDE/article/view/6729 (Accessed: 10 April 2025).