Dr. Chittra Pheechaphat or the principal of 072 the institute  of 072 Mental arithematic by Dr. Miang was honorably  invited as the special lecturer for training of Mental arithematic curriculum for teachers of Yaowaratesueksa school in Surat Thani province between 25-26 February, 2017. Besides, this program was interested by everyone with paying for good attention fully.