Gaya APA

Proceeding : The 2 nd conference on innovation and application of science and technology ( CIASTECH 2019). (2019). Malang: Universitas Widyagama Malang.

Gaya MLA

Proceeding : The 2 nd conference on innovation and application of science and technology ( CIASTECH 2019). . Malang: Universitas Widyagama Malang, 2019. .