Kot Patanarapelert. 2002. Effect of time delay on the transmission model of dengue haemorrhagic fever. Field of Study Applied Mathematics, Mahidol University;
Kot Patanarapelert. (2002) Effect of time delay on the transmission model of dengue haemorrhagic fever . Mahidol University/Bangkok.
Kot Patanarapelert. Effect of time delay on the transmission model of dengue haemorrhagic fever. . Bangkok:Mahidol University, 2002.
Kot Patanarapelert. (2002) Effect of time delay on the transmission model of dengue haemorrhagic fever . Mahidol University/Bangkok.