International Journal of Mathematics in Operational Research (Int. J. Math. Oper. Res.) (20160101), 9, no.~1, 39-64. ISSN: 1757-5850 (print).eISSN: 1757-5869.
International Journal of Mathematics in Operational Research (Int. J. Math. Oper. Res.) (20160101), 8, no.~2, 239-257. ISSN: 1757-5850 (print).eISSN: 1757-5869.
International Journal of Mathematics in Operational Research (Int. J. Math. Oper. Res.) (20130101), 5, no.~5, 571-603. ISSN: 1757-5850 (print).eISSN: 1757-5869.
International Journal of Mathematics in Operational Research (Int. J. Math. Oper. Res.) (20110101), 3, no.~1, 1-21. ISSN: 1757-5850 (print).eISSN: 1757-5869.