Détail Livre

Road maintenance diagnostic study for the Sahel

Warning: Undefined array key "authors" in /home/bouhadoun/www/details.php on line 171

Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /home/bouhadoun/www/details.php:171 Stack trace: #0 /home/bouhadoun/www/details.php(171): implode(', ', NULL) #1 {main} thrown in /home/bouhadoun/www/details.php on line 171