User:BP87LaurentiusFrom Wikipedia, the free encyclopedia Hello my name is Laurentius Sandi Witarso, I am participant of "Free Your Knowledge 2014" Writing Competition from Sanata Dharma University, Faculty of Psychology in Yogyakarta Indonesia.
Hello my name is Laurentius Sandi Witarso, I am participant of "Free Your Knowledge 2014" Writing Competition from Sanata Dharma University, Faculty of Psychology in Yogyakarta Indonesia.