Effect of price-sensitive demand and default risk on optimal credit period and cycle time for a deteriorating inventory modelAsim Paul, Magfura Pervin, Sankar Kumar Roy, Gerhard-Wilhelm Weber and Abolfazl MirzazadehRAIRO-Oper. Res., 55 (2021) S2575-S2592DOI: https://doi.org/10.1051/ro/2020108