Mathematics IB SL
https://www.gcsnc.com/site/handlers/filedownload.ashx?moduleinstanceid=77848&dataid=51570&FileName=ib%20math%20sl%20text%20-%203rd%20edition.pdf
https://www.gcsnc.com/site/handlers/filedownload.ashx?moduleinstanceid=77848&dataid=51570&FileName=ib%20math%20sl%20text%20-%203rd%20edition.pdf
https://www.youtube.com/watch?v=b8_3PFjiJvY
A simple picture and the general picture http://www.math.ucsd.edu/~csorense/teaching/math299/Harder_ICTP.pdf
https://ccea.org.uk/key-stage-4/gcse/subjects/gcse-further-mathematics-2017/past-papers-mark-schemes
https://www.youtube.com/watch?v=zd3RyRk6wYI
Laglands program is very important and so we will give a few more relevant links. One of them is this one: https://www.math.nus.edu.sg/wp-content/uploads/sites/4/2020/03/2013-GanWeeTeck.pdf
Herbert Gross (April 2, 1929 – May 27, 2020) was an American Professor of mathematics (retired) and former senior lecturer at MIT’s Center for Advanced Engineering Study (CAES). He was best known as a pioneer in using distance learning for teaching mathematics. Here are some of his lectures on calculus, functions of one complex variable…
https://www.nytimes.com/2019/05/13/obituaries/goro-shimura-dead.html
https://www.youtube.com/watch?v=O_1p2-2xVls
Richard Feynman was a physicist who received a nobel prize for his work in quantum electrodynamics. He was notorious for asking his mathematicians to explain concepts in simple language to test their understanding. Here his unique technique to learn new materials is explained.