Somnuak Kumpan. 2002. A feasibility study on moment of pendulum mechanical equipment for electrical generation and charged in battery. Field of Study Appropriate Technology for Resource Development, Mahidol University;
Somnuak Kumpan. (2002) A feasibility study on moment of pendulum mechanical equipment for electrical generation and charged in battery . Mahidol University/Bangkok.
Somnuak Kumpan. A feasibility study on moment of pendulum mechanical equipment for electrical generation and charged in battery. . Bangkok:Mahidol University, 2002.
Somnuak Kumpan. (2002) A feasibility study on moment of pendulum mechanical equipment for electrical generation and charged in battery . Mahidol University/Bangkok.