Material on strasserism you can read to learn more about the ideology
Basics
the-fourteen-theses-of-german-revolution
anti-capitalist-strasserismotter-strasser-and-social-nationalism
otter-strasser-and-social-nationalism
Once you have finished that, here’s some biography and history
factionalism-in-the-national-socialist-german-workers-party
gregor-strasser-and-the-organisation-of-the-nazi-party-1925-32
shtrasserizm-and-european-law-movement-since-1945-and-today
Strasserist Ideals in other Nations
Some analysis that you might be interested in
why-strasser-isnt-an-anti-semite
For those interested in promoting Revolutionary National Socialism
Economics
Books both primary and secondary
nemesis-the-story-of-otto-strasser
otto-strasser-the-life-and-times-of-a-german-socialist-review
prisoner-of-ottawa-otto-strasser
review-of-otto-strasser-the-life-and-times-of-a-german-socialist-by-troy-southgate-2010