I have a problem with the citation in winedt .When I put \cite and compile the code I find interrogation point in pdf generated . The winedt does not show any error but he show a 3 warnings
This is the code guy's
\documentclass[a4paper,11pt]{book}
\usepackage{natbib}
\usepackage[squaren, Gray, cdot]{SIunits}
\usepackage[export]{adjustbox}
\usepackage{subcaption}
\usepackage{caption}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{mathpazo}
\usepackage{graphicx}
\begin{document}
bla bla bla bla bla bla bla bla bla \cite{ben_mot_dies}
\bibliographystyle{plainnat}
\bibliography{mot}
\end{document}
Also this is the bib_text :
@MASTERSTHESIS{ben_mot_dies,
author = {Benarfaoui.B},
title = {Etude du moteur Diesel},
school = {Université
de Mohamed Kheider Biskra},
type = {Mémoire fin d'étude},
}
@book{cleynen2015thermodynamique,
title={Thermodynamique de l'ing{\~A}{\copyright} nieur},
author={Cleynen, Olivier},
year={2015},
publisher={Lulu. com}
}
Thank you
