Vadivazhagi, S, 		Prabha, Ka Suriya, 		Vinodhini, M, AND 		Arulselvan, K.
" Real-Time Level Control of Spherical Tank Process using Gain Scheduled PID Controller" <em>Journal of Advanced Research in Instrumentation and Control Engineering</em> [Online], Volume 9 Number 3&amp;4 (24 December 2022)