Coba jelasin Rujukan dari Babandul dalam bahasa sunda dong

Michael R. Matths, Arthur Stinner, Colin F. Gauld (2005) The Pendulum: Scientific, Historical, Philosophical and Educational Perspectives, Springer

Michael R. Matthews, Colin Gauld and Arthur Stinner (2005), The Pendulum: Its Place in Science, Culture and Pedagogy. Science & Education, 13, 261-277.