Kumar, Chaudhary Anunay, Das Saureesh, Narang Pankaj, and Das Mrinal Kanti. 2026. “Analysis of Primary Resonance in Damped Duffing-Helmholtz Oscillator Excited by an Amplitude-Modulated Signal”. Journal of the Indonesian Mathematical Society 32 (3):1709. https://doi.org/10.22342/jims.v32i3.1709.