I stopped breastfeeding and want to start again, suggestions on how to get my milk producing?

My son is 8 weeks ancient now, and I bunged breastfeeding at nearly 4 weeks. I still have some milk, since when I squeeze my nipple, milk comes out. How can I get my milk manufacture back up to take up again breastfeeding? Or is it too late?

See the shape up here:
I bunged breastfeeding and want to initiation again, suggestions on how to get my milk producing?

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