A multiperiod planning model for the capacitated minimal spanning tree problem. - Rakesh Kawatra; Dennis L. Bricker (Eur. J. Oper. Res., 2000)

A multiperiod degree constrained minimal spanning tree problem. - Rakesh Kawatra (Eur. J. Oper. Res., 2002)

Design of a degree-constrained minimal spanning tree with unreliable links and node outage costs. - Rakesh Kawatra; Dennis L. Bricker (Eur. J. Oper. Res., 2004)

A Multiperiod Minimal Spanning Tree Problem. - Rakesh Kawatra (Wireless and Optical Communications, 2006)

A hop constrained min-sum arborescence with outage costs. - Rakesh Kawatra (Comput. Oper. Res., 2007)