Heru Purboyo Hidayat Putro and Henry Poerborianto
Journal of Engineering and Applied Sciences 12 ( 17 ): 4361 - 4366 , 2017
Karda D. Yayat, B. Kombaitan, Pradono and Heru Purboyo Hidayat Putro
Journal of Engineering and Applied Sciences 12 ( 19 ): 4831 - 4836 , 2017
Hendy Suryana, Heru Purboyo Hidayat Putro, Gatot Yudoko and Puspita Dirgahayani
Journal of Engineering and Applied Sciences 12 ( 4 SI ): 6649 - 6654 , 2017