Lund, F., & Nicholson, J. (2003). Chains of production, ladders of protection: Social protection for workers in the informal economy. School of Development Studies, Univesity of Natal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLund, Francie, और Jillian Nicholson. Chains of Production, Ladders of Protection: Social Protection for Workers in the Informal Economy. Durban, South Africa: School of Development Studies, Univesity of Natal, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLund, Francie, और Jillian Nicholson. Chains of Production, Ladders of Protection: Social Protection for Workers in the Informal Economy. School of Development Studies, Univesity of Natal, 2003.
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