In terms of getting hold of these books and articles, this thread provides some useful (and legal) tips and some links provided in this thread, u/PhiloSpo also works to highlight open access works. Libraries are always an invaluable tool to recommend and can help you get hold of books, for me jstor.org with 100 articles a month on a free account, academia.edu has free papers have been very useful as a platform.... Source: 7 months ago

I've found a lot of free articles on patristics/saints at academia.edu over the years. Source: 8 months ago

PS: Dear MODs, if it's not appropriate for this sub, sorry to disturb, just delete this massage. (I got used to situation when subs delete my wish to share my ideas. Considering link to my reddit sub as something forbidden to share. For those who might think that my book is "schizophrenic nonsense" I disagree, as a trusted representatives of many scientific resources such as academia.edu, ssrn.com revised and... Source: 10 months ago

The problem here is that academia.edu is not perse a place where authors will upload their papers; it rather functions as a large academic PDF exchange. I have messaged the uploader a while back, but have not received a response. Source: 12 months ago

Available on the free tier at academia.edu. Source: 12 months ago

With that being said, there are also great platforms, blogs, people and sources to learn about PM online. I’d also recommend Mind The Product (https://www.mindtheproduct.com) and Product School (https://productschool.com). Source: about 1 year ago

Also, the product school does them https://productschool.com/. Source: over 1 year ago