Sinusoidal oscillators and waveform generators using modern electronic circuit building blocks অনুযায়ী Senani, Raj, Bhaskar, D. R., Singh, V. K., Sharma, R. K.

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Forests, gardens, parks and urban environment অনুযায়ী Singh, V.K

Medicinal plants new vistas of research অনুযায়ী Govil, J.N