G. Suprayitno

发表

Muhammad Abdul Fattah, Ari Satria, G. Suprayitno, 2016 .

Y. Harwani, B. Suharjo, R. Nurmalina, 2018, EUROPEAN RESEARCH STUDIES JOURNAL.

B. Suharjo, G. Suprayitno, Ayudya Dhiranty, 2017 .

G. Suprayitno, D. Priyarsono, Puti Sinansari, 2017 .