Setiawan, F., Masruroh, N. A. and Pramuditha, Z. I. (2019) “On Modelling and Solving Heterogeneous Vehicle Routing Problem with Multi-Trips and Multi-Products”, Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri, 21(2), pp. 91-104. doi: 10.9744/jti.21.2.91-104.