ศาสตร์เกษตรดินปุ๋ย : ขอบคุณแหล่งข้อมูล : หนังสือพิมพ์ The Nation
http://www.nationmultimedia.com/detail/politics/30362512

NATION GRAPHICS/PRADIT PHULSARIKIJ
GOING TO THE POLLS
politics January 19, 2019 01:00
By PRADIT PHULSARIKIJ
NATION GRAPHICS
Since becoming a constitutional monarchy in 1932, Thailand has seen 27 general elections. The first one took place in November 1933. The latest was held in February 2014, although it was later declared unconstitutional by the court.
