APA Style
Saffin, D.
(2021).
abc Research Methodology & Biostatistics
(
Fourth Edition)
.
Dhaka:
Dr.Perveen Sultana.
MLA Style
Saffin, Dr.Perveen.
"abc Research Methodology & Biostatistics".
Fourth Edition
Dhaka:
Dr.Perveen Sultana,
2021.
Text.