shahida mohd said, wee wee kweh, chong yi than, zamirah zainal-abidin, siti noor adnalizawati adnan, safura anita baharin, eason soo.  (2018).  in-vitro inhibitory and biofilm disruptive activities of ginger oil against enterococcus faecalis.  - f1000research.  1-11. 

siti nurazwa zainol, shahida mohd said, zamirah zainal abidin, nuramirah azizan, fadzilah adibah abdul majid, ibrahim jantan.  (2017).  synergistic benefit of eugenia caryophyllata l and cinnamomum zeylanicum blume essential oils against oral pathogenic bacteria.  - chemical engineering transactions.  1429-1434. 

zamirah zainal abidin, nor akmal abdul wahab, muhamad kamil ghazi ahmad, shahida mohd said.  (2017).  in vitro antibacterial activity of zingiber officinale and orthosiphon stamineus on enterococcus faecalis.  - journal of agricultural science.  112-121. 

nuramirah azizan, shahida mohd said, zamirah zainal abidin, ibrahim jantan.  (2017).  composition and antibacterial activity of orthosiphon stamineus and ficus deltoidea jack against selected pathogenic oral bacteria.  - molecules.  1-18.