If it’s your blog, you need your article on your website
You can link to your blog articles at active rain (mostly real estate agents) biggerpockets is another place (mostly newbies who pay too much and get bank financing) or facebook. It depends on the audience you are trying to attract.
Some investor groups have a forum.
Some communities have a forum where you could link to your article or repost it.
You could even contact a local newspaper about writing a weekly column.