Regularized regression in ultra-small chemometric datasets: A methodological case study using FTIR spectra of Schiff bases. - Rashedi, Khudhayr Abdullah; Alshammari, Tariq Saleh; Alshammari, Khalid Mohammed; Alanazi, Talal Abdulrahman; Shabbir, Javid; Mehmood, Tahir (PLoS ONE, 2026)