129 students from the Advanced Certificate Course in Public Administration and Law for Executives Program, Class 23, at King Prajadhipok's Institute. Ms. Yaowalak Chuchot from PTT Public Company Limited

represents decreasing of 6 Million Baht (122%) from Q3/2017. The main cause for the lower net profit are occurred from increasing of selling and administration expenses, and loss on foreign exchange rates

of 28 Million Baht (68%) from 2016. The main causes for the lower net profit is because of lower work volume, which is due to economy has not yet recovered. Because economy is still in the process of

represents decreasing of profit 50 Million Baht (391%) from 2017’s profit of 13 million Baht . The main causes for the lower net profit is because the economy was still in the process of recovering in 2017 and

period last year. In that, it comprised of 12.08% of gross profit margin from sales and -61.33% of gross profit margin from services. The main reason for the decrease was from services segment due to