[http://karnatakaeducation.org.in/KOER/images1/2/25/03.05_%E0%B2%9A%E0%B2%A4%E0%B3%81%E0%B2%B0%E0%B3%8D%E0%B2%AD%E0%B3%81%E0%B2%9C%E0%B2%97%E0%B2%B3%E0%B3%81.pdf ಚತುರ್ಭುಜಗಳು] ಕೊಡುಗೆ - C T E ಮಂಗಳೂರು | [http://karnatakaeducation.org.in/KOER/images1/2/25/03.05_%E0%B2%9A%E0%B2%A4%E0%B3%81%E0%B2%B0%E0%B3%8D%E0%B2%AD%E0%B3%81%E0%B2%9C%E0%B2%97%E0%B2%B3%E0%B3%81.pdf ಚತುರ್ಭುಜಗಳು] ಕೊಡುಗೆ - C T E ಮಂಗಳೂರು |