Corrigendum to "A focus to green synthesis of metal/metal based oxide nanoparticles: Various mechanisms and applications towards ecological approach" [J. Clean. Prod. 324 (2021) 129198]. (15th December 2021) - Aravind Kumar, J.; Krithiga, T.; Manigandan, S.; Sathish, S.; Annam Renita, A.; Prakash, P.; Naveen Prasad, B.S.; Praveen Kumar, T.R.; Rajasimman, M.; Hosseini Bandhegrahei, Ahmad; Prabu, D.; Crispin, S.