Wannipa Bunrayong. 2008. Building potentials of the aging center committee in management of learning activities through participatory action research. Field of Study Curriculum and Instruction, Chiang Mai University;

Wannipa Bunrayong. Building potentials of the aging center committee in management of learning activities through participatory action research. . Chiang Mai:Chiang Mai University, 2008.

Wannipa Bunrayong. (2008) Building potentials of the aging center committee in management of learning activities through participatory action research . Chiang Mai University/Chiang Mai.