these are some references

Dear @Fatmir, good luck with your research and thesis therefore.

Here is a link with so many references about the impact of recycling in developing countries.

https://scholar.google.com/scholar?q=impact+of+recycling+in+developing+countries&hl=en&as_sdt=0&as_vis=1&oi=scholart&sa=X&ved=0ahUKEwjLt7n7g53XAhWBthoKHUskCXAQgQMIJTAA

please find the following reference may be good for you in title:

The informal recycling sector in developing countries

Emerging trends in informal sector recycling in developing and transition countries

http://www.crestwoodenvironmental.co.uk/uploads/Downloads/Emerging%20Trends%20in%20Informal%20Sector%20Recycling.pdf

I hope you have sufficient papers for now. I can send you more if you so wish.

Habitat International

Volume 30, Issue 4, December 2006, Pages 797-808📷

Role of informal sector recycling in waste management in developing countries.

one recent paper is Environ Sci Pollut Res Int. 2017 Nov;24(31):24092-24101. doi: 10.1007/s11356-017-0273-y. Epub 2017 Sep 24.

Informal E-waste recycling in developing countries: review of metal(loid)s pollution, environmental impacts and transport pathways.