The issue of waste water is an issue that has for so long in Patumthep School. The problem was the cause. Send eating smelly drains And adversely affect the health of people in the school. The study of how Wastewater Management School School North, gods. Prepared with the objective To study and publish the causes and consequences of waste water. And to find ways to reduce fever and to prevent waste. Also to disseminate information to those involved with the UCSC happened. The method is Make a query to the target population, with 15 items and the reviews are 5 levels is minimal, low, medium, most of the respondents to choose the level of the match early reviews as possible and then use the hundreds. Statistical analysis of the data by a separate class for each grade level. And a separate junior high school and high school, to conclude with a survey of the results of the query.
การแปล กรุณารอสักครู่..
