Complementary deteriorating products within a flexible production system: a sustainable approachBiswajit Sarkar, Nilkamal Bar, Shashi Bajaj Mukherjee, Isha Sangal and Rekha GuchhaitRAIRO-Oper. Res., 58 5 (2024) 3823-3848DOI: https://doi.org/10.1051/ro/2024093