1. Four MOLS of order 28 and 52;Abel;J. Combin. Theory Ser. A,1991
2. Four MOLS or orders 20, 30, 38 and 44;Abel;J. Combin. Theory Ser. A,1993
3. Mutually Orthogonal Latin Square;Abel;CRC Handbook of Combinatorial Designs,1996
4. An application of modified group divisible designs;Assaf;J. Combin. Theory Ser. A,1994
5. On covering designs with block size 5 and index 6;Assaf;JCMCC,1994