Abadi JM, Khavari KS, Syah SB, Movafegh S and Golbashy M, 2011. Estimation of combining ability and gene effects in forage maize (Zea mays L.) using line × tester crosses. Journal of Plant Physiology and Breeding 1: 57-67.
Barata C and Carena MJ, 2006. Classification of North Dakota maize inbred lines into heterotic groups based on molecular and testcross data. Euphytica 151: 339-349.
Ceccarelli S, 2015. Efficiency of plant breeding. Crop Science 55: 87-97.
Choukan R, Hossainzadeh A, Ghannadha MR, Warburton ML, Talei AR and Mohammadi SA, 2006. Use of SSR data to determine relationships and potential heterotic groupings within medium to late maturing Iranian maize inbred lines. Field Crops Research 95: 212-222.
Duvick DN, 2001. Biotechnology in the 1930s: the development of hybrid maize. Nature Reviews Genetics 2: 69-74.
Fan X-M, Bi YQ, Zhang YD, Jeffers DP, Yao WH, Chen HM, Zhao LQ and Kang MS, 2015. Use of the Suwan1 heterotic group in maize breeding programs in southwestern China. Agronomy Journal 107: 2353-2362.
Fan X, Bi Y, Zhang Y, Jeffers D, Yin X and Kang M, 2018. Improving breeding efficiency of a hybrid maize breeding program using a three heterotic-group classification. Agronomy Journal 110: 1209-1216.
Fan XM, Zhang YD, Yao WH, Bi YQ, Liu L, Chen HM and Kang MS, 2014. Reciprocal diallel crosses impact combining ability, variance estimation, and heterotic group classification. Crop Science 54: 89-97.
Hallauer AR, Carena MJ and Miranda de Filho JB, 2010. Quantitative Genetics in Maize Breeding. Sixth edition. Springer Science+Business Media, New York, USA, 680 pages.
Kempthorne O, 1970. An Introduction to Genetic Statistics. Wiley, USA, 545 pages.
Li Y and Wang TY, 2010. Germplasm base of maize breeding in China and formation of foundation parents. Journal of Maize Sciences 18: 1–8.
Melchinger AE and Gumber RK, 1998. Overview of heterosis and heterotic groups in agronomic crops. In: Lamkey KR and Staub JE (eds.) Concepts and Breeding of Heterosis in Crop Plants. Volume 25. Pp. 29-44. CSSA Special Publications
Richard C, Osiru DS, Mwala MS and Lubberstedt T, 2018. Genetic diversity and heterotic grouping of the core set of southern African and temperate maize (Zea mays L.) inbred lines using SNP markers. Maydica 61: 1- 9.
Shiri M, 2017. The performance of temperate maize testers for screening of tropical and subtropical germplasm. Journal of Crop Breeding 9: 85-94 (In Persian with English abstract).
Shiri M and Ebrahimi L, 2017. The selection of maize lines derived from CIMMYT germplasm through
combining ability with temperate testers. Cereal Research 7: 101-114 (In Persian with English abstract).
Tabrizi M, Hassanzadeh F, Moghaddam M, Alavikia S, Aharizad S and Ghaffari M, 2012. Combining ability and gene action in sunflower using line * tester method. Journal of Plant Physiology and Breeding 2: 35-44.