Mas Widhyawati, I Gusti Ayu, AND 		Eka Damayanthi, I Gusti Ayu.
" PENGARUH TRADING VOLUME, MARKET VALUE, DAN RETURN VARIANCE PADA BID-ASK SPREAD" <em>E-Jurnal Akuntansi</em> [Online], Volume 10 Number 3 (19 March 2015)