Volume 15 Issue 1 January 2021
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 2.  | 
 Antibacterial activity of amine-functionalized silver-loaded natural zeolite clinoptilolite   DOI 10.24191/sl.v15i1.11790  | 
13-22 | 
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 5.  | 
 Dye extracted from Costus woodsonii leave as a natural sensitizer for dye-sensitized solar cell 
 DOI 10.24191/sl.v15i1.11794  | 
58-68 | 
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 6.  | 
 Antibiotic resistance properties of Staphylococcus epidermidis isolated from hospitals in Selangor   DOI 10.24191/sl.v15i1.11795  | 
69-81 | 
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 8.  | 
 AIM and ELF bonding analyses of M–O and M–N (Metal= Ba, Y, Zr) in metal–complexes using DFT approach   DOI 10.24191/sl.v15i1.11798  | 
90-100 | 
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 10.  | 
 In Vitro anti-collagenase activity and total phenolic content of five selected herbs: a review 
 Siti Maisarah Shukri, Faezah Pardi and Norrizah Jaafar Sidik DOI 10.24191/sl.v15i1.11800  | 
117-127 | 


