From: Arun <subbiah.arunachalam@gmail.com> Sent: 08 October 2022 21:39 Friends, Here are some sites that researchers, especially research students, will find useful. https://twitter.com/LNivisonSmith/status/1577772264304435200?s=20&t=B9_6jnQD-7ojk1avQRHpVw .s Also, students who do not have easy access to citation databases may use lens.org . Best wishes. Arun