S. SOURABH, P. PREETI, J. R. SHARMA, and A. BHUKAR, “Effect of scarification treatments on seed germination of guava (Psidium guajava)”, Indian J Agri Sci, vol. 90, no. 7, pp. 1333–1337, Oct. 2020, doi: 10.56093/ijas.v90i7.105612.