Hi
I can remember these Sinclair Basic routines and game programs, I dont remember the mag's name we used to buy that had the examples you talk about, But it was not a Glossy backed mag , it was more like newsprint paper and if you didnt get an early addition the ones that were left on the rack were well thumbed and some of the print was missing
Try some of these links i just found, I hope they are helpfull.
http://www.users.globalnet.co.uk/~jg27paw4/
https://wos.meulie.net/pub/sinclair/...rumViewer.html
https://evert.meulie.net/2011/08/09/...ilable-online/
https://wos.meulie.net/pub/sinclair/...amsViewer.html
Most of the Programs you had to type in, were near the back of the mag if i remember right..
My Daughter used to type these in for hours only for some of them to fail, mostly typo's but now and then we sorted most out
Good luck with your Quest and post any other links you find usefull