Lallement, Gerard
Semigroups and combinatorial applications
John Wiley & Sons, 1979
 Buku Teks
Gross, Jonathan L.
Combinatorial methods with computer applications
Chapman & Hall/CRC Taylor & Francis Group, 2008
 Buku Teks
Liu, C.L. (Chung Laung), 1934-
Introduction to combinatorial mathematics / C.L. Liu
McGraw-Hill, 1968
 Buku Teks
Hoffmann, Laurence D.
Mathematics with applications
McGraw-Hill, 1979
 Buku Teks
Regression discontinuity designs: theory and applications
edited by Matias D. Cattaneo, Juan Carlos Escanciano
Emerald, 2017