1. David L., Fundamental of Supply Chain Management, Ventus Publishing ApS: Ventus Publishing ApS; ISBN 978-87-7681-798-5, (2011)
2. Nggili R. A. and Rudolf R. K., “Supply Chain Management Batu Mulia Kahas Nusantara di Kotamadya Salatiga, J Manajemen Teori dan Terapan, vol. Tahun 10 No. 2, (2017)
3. Sharma A., Dixit G. and Agarwal A., Quality Management in Supply Chains: The Literatur Review, Int. J for Quality Research, Vol. 6, no. N0. 3, (2011)
4. Agus A., Supply Chain Management; Production Quality and Business Performance, 2001 International Conference on Sociality and Economics Development IPEDR, Vol. 10 (2011.)