1. Anderson TW (1972) An introduction to multivariate statistical analysis. Wiley Eastern Private Limited, New Delhi, p 512
2. Iqbal U, Iqbal SM, Afzal R, Jamal A, Farooq MA et al (2011) Screening of mungbean germplasm against mungbean yellow mosaic virus (MYMV) under field conditions. Pak J Phytopathol 23:48–51
3. Jeberson MS, Shashidhar KS, Singh AK (2019) Genetic variability, principal component and cluster analyses in black gram under Foot-hills conditions of Manipur. Legum Res 42(4):454–460
4. Kaufman L, Rousseeuw PJ (1990) Finding groups in data: an introduction to cluster analysis. Wiley, New York
5. Konda CR, Salimath PM, Mishra MN (2009) Genetic variability studies for productivity and its components in blackgram (Vigna munga L. Hepper). Legum Res 32:59–61