CONTENTS --> Premium article of Blacksacademy.net --> Thumbnails --> Thumbnail - management selected articles Changes in the Family and Household Structure over Time Text: Weber, classes, groups and parties --> Formation of a differential equation --> DEPENDENCIES Warning: include(__map_civ.php): failed to open stream: No such file or directory in /home/jlvwqyda/public_html/ba/rel/objectdownload_rel.php on line 448 Warning: include(__map_civ.php): failed to open stream: No such file or directory in /home/jlvwqyda/public_html/ba/rel/objectdownload_rel.php on line 448 Warning: include(): Failed opening '__map_civ.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/jlvwqyda/public_html/ba/rel/objectdownload_rel.php on line 448