APA Citation

Leeuwen, A. S. v. Mathematics for junior high school. Fakultas Kehutanan UGM.

Chicago Style Citation

Leeuwen, Arthur S.J. van. Mathematics for Junior High School. Fakultas Kehutanan UGM.

MLA Citation

Leeuwen, Arthur S.J. van. Mathematics for Junior High School. Fakultas Kehutanan UGM.

Warning: These citations may not always be 100% accurate.