s. nagarajan m.p. sockalingam, ahmad shuhud irfani zakaria, khairil aznan mohamed khan, fayyadhah mohd azmi, nurhidayah muhd noor.  (2020).  simple orthodontic correction of rotated malpositioned teeth using sectional wire and 2 x 4 orthodontic appliances in mixed-dentition: a report of two cases.  - case reports in dentistry.  1-5. 

afsary jahan khan, mas suryalis ahmad, ahmad shuhud irfani zakaria, alida mahyuddin, tanti irawati rosli.  (2020).  oral health status of a group of visually impaired school children in kuala lumpur.  - malaysian journal of medicine and health sciences.  100-105. 

meei yi ng, zaleha shafiei, mariati abdul rahman,s. nagarajan m.p. sockalingam, ahmad shuhud irfani zakaria, alida mahyuddin.  (2020).  antibacterial effects of effective ecoproduce on enterococcus faecalis: an in vitro study.  - journal of international dental and medical research.  861-867. 

nurhidayah muhd noor, haslina rani, ahmad shuhud irfani zakaria, nurul asyikin yahya, s. nagarajan m. p. sockalingam.  (2019).  sociodemography, oral health status and behaviours related to oral health literacy.  - pesquisa brasileira em odontopediatria e clínica integrada/ brazilian research in pediatric dentistry and integrated clinic.  1-10. 

s. nagarajan m. p. sockalingam, katherine kong loh seu, halimah mohamed noor, and ahmad shuhud irfani zakaria.  (2018).  sectional fixed orthodontic extrusion technique in management of teeth with complicated crown-root fractures: report of two cases.  - case reports in dentistry.  1-6. 

s. nagarajan m. p. sockalingam , mohd safwani affan alli awang talip, and ahmad shuhud irfani zakaria.  (2018).  maturogenesis of an immature dens evaginatus nonvital premolar with an apically placed bioceramic material (endosequence root repair material®): an unexpected finding.  - case reports in dentistry.  . 

dr ahmad shuhud irfani zakaria, dr s. nagarajan m.p.sockalingam.  (2013).  peri-oral bullous impetigo: a diagnostic dilemma for dentist.  - sains malaysiana.  42(1):89-91.