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APA Citation
Shaikh, A. A., Panda, G. C., Khan, M. A., Mashud, A. H. M., & Biswas, A. (2020). an inventory model for deteriorating items with preservation facility of ramp type demand and trade credit. International journal of mathematics in operational research, 17, 514–551. http://access.bl.uk/ark:/81055/vdc_100108961683.0x000003