management project by : Julius Sutrisno, Phones : 02270090360 - 02291969894, Email : ptlenteraabadibandung@ gmail.com, Cells : 081320027519 - 082116730137 - 085331789555 - 085721605339 - 087822891950, website : http: / / ptlenteraabadibandung.blog.com, http: / / ptlenteraabadibandung.blogspot.com, http: / / ptlenteraabadibandung.wordpress.com, Jl. Jotang no. 8, Lengkong, Bandung - 40263.