Nano-Pd/Chitosan Composite: An Extremely Effective Catalyst to the Synthesis of Pyrazolyl Analogues through Suzuki–Miyaura Cross-Coupling Reactions in an Aqueous Medium oleh M. Senthilkumar, P. Manisankar, R. Pandimurugan, P. A. Vivekanand, Govindasami Periyasami, S. Harikumar, Perumal Karthikeyan, Mostafizur Rahaman, Santosh Khanal