CHANDRA TIWARI, GIRISH. 2015. “1. STUDIES ON RELATIVE HETEROSIS AND HETEROBELTIOSIS FOR FOUR QUANTITATIVE CHARACTERS- GRAIN YIELD PER PLANT , STRAW YIELD PER PLANT , TOTAL BIOLOGICAL YIELD PER PLANT AND HARVEST INDEX IN RICE (ORYZA SATIVA L.) by GIRISH CHANDRA TIWARI”. LIFE SCIENCES LEAFLETS 70 (December):1 to 8. https://petsd.org/ojs/index.php/lifesciencesleaflets/article/view/965.