Bulletin of the Malaysian Mathematical Sciences Society
Bulletin of the Malaysian Mathematical Sciences Society > 2019 > 42 > 5 > 2759-2769
Bulletin of the Malaysian Mathematical Sciences Society > 2019 > 42 > 6 > 3213-3221
Bulletin of the Malaysian Mathematical Sciences Society > 2019 > 42 > 5 > 2759-2769
Bulletin of the Malaysian Mathematical Sciences Society > 2019 > 42 > 6 > 3213-3221