Oct 1972 Issue http://acharya.org/mag/sr/sr288.pdf
Geethacharyan 521
Feb 2022 Issue http://acharya.org/mag/g/g0521.pdf
Sri Ramanujan 179
Dec 1963 Issue http://acharya.org/mag/sr/sr179.pdf
Geethacharyan 512-513
May/June 2021 Issue http://acharya.org/mag/g/g0512-0513.pdf
Geethacharyan 511
Apr 2021 Magazine http://acharya.org/mag/g/g0511.pdf