Boby Cahyady
Boby Cahyady, S.Si., M.Si
197802272002121004
0027027809
4559756657200012
boby@usu.ac.id, bobycyd@gmail.com
USU Faculty of Mathematics and Natural Sciences
anggota koperasi
jl. setia budi ujung medan. BOBY CAHYADY , Junaidi daulay . 2023