| 2002 | ||
|---|---|---|
| 2 | K. M. Koh, E. G. Tay: Optimal Orientations of Graphs and Digraphs: A Survey. Graphs and Combinatorics 18(4): 745-756 (2002) | |
| 1998 | ||
| 1 | K. M. Koh, E. G. Tay: On optimal orientations of cartesian products of graphs (I). Discrete Mathematics 190(1-3): 115-136 (1998) | |
| 1 | K. M. Koh | [1] [2] |