Nawangpalupi, Catharina Badra; Pawitan, Gandhi; Gunawan, Agus; Widyarini, Maria; Iskandarsjah, Triyana(Centre of Excellence for SME Development, Institute for Research & Community Service, Universitas Katolik Parahyangan, 2013)
Widarda, Dina Rubiana; Zulkifli, Ediansjah(Kementrian Pekerjaan Umum Badan Penelitian dan Pengembangan Pusat Penelitian dan Pengembangan Jalan dan Jembatan, 2013)