Seban, Lalu, Namita Boruah, and Binoy K. Roy. 2018. “Development of FOPDT and SOPDT Model from Arbitrary Process Identification Data Using the Properties of Orthonormal Basis Function”. International Journal of Engineering & Technology 7 (2.21): 77-83. https://doi.org/10.14419/ijet.v7i2.21.11840.