Notes on various topics, including mathematics, by a Chinese-Indonesian student attending a school in or near Kutoarjo, west of Yogyakarta. Corrections have been made in red.
This is an exercise book for mathematics classes used by a Chinese-Indonesian student at his school in Yogyakarta in 1963. Corrections have been made using a red pencil.
This is an exercise book for mathematics classes used by a Chinese-Indonesian student at his school in Yogyakarta during the first half of the 1960s. Corrections have been made in red.