Pi: Mathematics Education Journal is a peer-reviewed journal. This statement clarifies ethical behaviour of all parties involved in the act of publishing an article in this journal, including the author, the chief editor, the Editorial Board, the peer-reviewer and the publisher (LPPM Universitas Kanjuruhan Malang). This statement is based on COPE’s Best Practice Guidelines for Journal Editors. The publication of an article in a peer-reviewed Pi:Mathematics Education Journal is an essential building block in the development of a coherent and respected network of knowledge. It is a direct reflection of the quality of the work of the authors and the institutions that support them. Peer-reviewed articles support and embody the scientific method. It is therefore important to agree upon standards of expected ethical behavior for all parties involved in the act of publishing: the author, the journal editor, the peer reviewer, the publisher and the society. LPPM Universitas Kanjuruhan Malang as publisher of Pi:Mathematics Education Journal takes its duties of guardianship over all stages of publishing extremely seriously and we recognize our ethical and other responsibilities. We are committed to ensuring that advertising, reprint or other commercial revenue has no impact or influence on editorial decisions. In addition, LPPM Universitas Kanjuruhan Malang and Editorial Board will assist in communications with other journals and/or publishers where this is useful and necessary