Sianipar, Flora, 		Riswan, Riswan, AND 		Widiastuti, Ekaningtyas.
" Pengaruh ukuran perusahaan, bid ask spread, dan volume perdagangan terhadap price reversal" <em>Performance: Jurnal Personalia, Financial, Operasional, Marketing dan Sistem Informasi</em> [Online], Volume 24 Number 1 (2 January 2017)