IPSR led by Associate Professor Dr. Sureeporn Punpuing, Head of Project "Development of operational guidelines for the management of social and health data in Bangkok" welcomed Ms. Waranya Sukwong, Ms. Achara Tannung, and Miss Duean Un-Tip, officer of Division of Policy and Academic Statistics, National Statistical Office. In honor of being the guest speaker in the meeting on "Random Sampling Weighting and improving the enumeration zone map (EA) for data collection in Bangkok ". The event was held at Rajavadee Meeting Room (326), 3rd floor, Population and Social Research Institute. Mahidol University.