Pingala (English Wikipedia)

Singh, Parmanand (1985). "The So-called Fibonacci Numbers in Ancient and Medieval India" (PDF). Historia Mathematica. 12 (3). Academic Press: 232. doi:10.1016/0315-0860(85)90021-7. Archived from the original (PDF) on 2019-07-24. Retrieved 2018-11-29.
van Nooten, B. (1993). "Binary Numbers in Indian Antiquity". Journal of Indian Philosophy. 21 (1): 31–50. doi:10.1007/BF01092744.
Hall, Rachel Wells (February 2008). "Math for Poets and Drummers". Math Horizons. 15 (3). Taylor & Francis: 10–12. doi:10.1080/10724117.2008.11974752. JSTOR 25678735. S2CID 3637061. Retrieved 27 May 2022.
Singh, Parmanand (1985). "The So-called Fibonacci Numbers in Ancient and Medieval India". Historia Mathematica. 12 (3): 229–244. doi:10.1016/0315-0860(85)90021-7.
Singh, Parmanand (1985). "The So-called Fibonacci Numbers in Ancient and Medieval India". Historia Mathematica. 12 (3): 229–244. doi:10.1016/0315-0860(85)90021-7.

jstor.org (Global: 23^rd place; English: 15^th place)

Hall, Rachel Wells (February 2008). "Math for Poets and Drummers". Math Horizons. 15 (3). Taylor & Francis: 10–12. doi:10.1080/10724117.2008.11974752. JSTOR 25678735. S2CID 3637061. Retrieved 27 May 2022.

Shah, Jayant (2008). "A History of Piṅgala's Combinatorics" (PDF). Northeastern University, Boston. Archived from the original (PDF) on 2016-07-06.

Hall, Rachel Wells (February 2008). "Math for Poets and Drummers". Math Horizons. 15 (3). Taylor & Francis: 10–12. doi:10.1080/10724117.2008.11974752. JSTOR 25678735. S2CID 3637061. Retrieved 27 May 2022.

Singh, Parmanand (1985). "The So-called Fibonacci Numbers in Ancient and Medieval India" (PDF). Historia Mathematica. 12 (3). Academic Press: 232. doi:10.1016/0315-0860(85)90021-7. Archived from the original (PDF) on 2019-07-24. Retrieved 2018-11-29.
Shah, Jayant (2008). "A History of Piṅgala's Combinatorics" (PDF). Northeastern University, Boston. Archived from the original (PDF) on 2016-07-06.