Probir ROY. An Introduction to Fulati-Suranjan Formulae in Calculating the Area and Perimeter of Any Circle Without Using Pi. Research and Applications Towards Mathematics and Computer Science Vol. 7, [S. l.], p. 73–92, 2023. DOI: 10.9734/bpi/ratmcs/v7/2546G. Disponível em: https://stm.bookpi.org/RATMCS-V7/article/view/12841. Acesso em: 9 jun. 2026.