Direct determination of nutrient elements in plant leaves by double pulse laser-induced breakdown spectroscopy: evaluation of calibration strategies using direct and inverse models for matrixmatching - Stenio, Kleydson; Costa, Vinicius Câmara; Morais, Carla Pereira de; Magalhães, Aida Bebeachibuli; Milori, Debora Marcondes Bastos Pereira (Analytical Methods, 2022)