Machinability and tribological optimization of origami-inspired Almond Shell–PMMA via RSM, ML, and TOPSIS. - Bhattacharjee, Biplab; Sivalingam, S.; Kumar, Raman; Chohan, Jasgurpreet Singh; V., Sandeep; Singh, Ripendeep; Routray, Anupama; Panda, Jibitesh Kumar (PLoS ONE, 2026)