Back BooksTakealotSol-gel Derived Optical and Photonic MaterialsR 6 682.00Takealot ยท checked 19 days ago View at Takealot AverageR 7 128.00Lowest seenR 6 682.00Highest seenR 7 128.00Last change-R 446.00First indexed22 Oct 2026RetailerTakealotPrice history