T. P. Le, T. T. H. Tran, T. T. Q. Cung, H. D. Nguyen, and N. H. Pham, “Rapid Identification of the Geographical Origin of Black Pepper in Vietnam Using Near-Infrared Spectroscopy and Chemometrics”, ETSD, vol. 33, no. 1, pp. 1–8, Mar. 2023.