Dr P K Dewedi, and Shivanand Saini. “ANALYTICAL STUDY ON THE SINGLE AND MULTIVARIABLE CALCULUS AND MULTIPLE INTEGRATION”. JournalNX - A Multidisciplinary Peer Reviewed Journal 7, no. 05 (May 31, 2021): 328–335. Accessed November 7, 2024. https://repo.journalnx.com/index.php/nx/article/view/4574.