Raisinghania,M D, Dass,H K, & Saxena,H C. (1999). Simplified course trignometry: Fully solved. S Chand & company ltd.
Παραπομπή Chicago StyleRaisinghania,M D, Dass,H K, και Saxena,H C. Simplified Course Trignometry: Fully Solved. New Delhi: S Chand & company ltd, 1999.
Παραπομπή MLARaisinghania,M D, et al. Simplified Course Trignometry: Fully Solved. S Chand & company ltd, 1999.
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