On 25th November 2021, General Santasana Nantibhakhirund, WVO Director – General together with Mrs. Pannchita Nantibhakhirund, President of WVO Housewives Association and WVO executives attended the study program of Sufficiency Economy Philosophy at Sufficiency Economy Philosophy Center for honor Her Majesty Queen Sirikit the Queen Mother. On the occasion of Birthday Anniversary 80 (12 August 2012) at Royal Thai Armed Forces Headquarters Don Mueang District by adopting the Sufficiency Economy Guidelines of His Majesty King Bhumibol Adulyadej Maha Bhumibol Adulyadej the Great as a guideline in an area of 12.5 rai, organized activities as a learning base. The area is divided into  3 main parts, comprising a learning area of 1 rai, sufficiency, a learning base area and demonstration plot of 7 rai and a water source area of 4.5 rai. There are activities to support each other to create sustainability in agriculture according to the philosophy of sufficiency economy.