"upon request from" is a correct and usable phrase in written English. You can use it when making a request or granting a request to someone, indicating the request has come from that person. For example: "We are happy to honor your return request upon request from you.".
The program is available upon request from the authors.
Data are available upon request from N. Laanait ([email protected]).
Instructions are available upon request from the authors.
Results are available upon request from the author.
This results is available upon request from the author.
These findings are available upon request from the author.
These are available upon request from the corresponding author.
Awesome tool! I started using it one year ago and I never had to look for another app
Ha Thuy Vy
MA of Applied Linguistic, Maquarie University, Australia