M. Bhuiyan, D. Khanam, M. Rahman, M. Sheikh, and M. Bhuiyan, “Performance of single and mixed rhizobial inoculants on nodulation, dry matter and seed yield of lentil (Lens culinaris)”, Bangladesh J. Agric. Res, vol. 39, no. 1, pp. 105–112, Aug. 2014.