CAHYO, A. N.; MURTI, R. H.; PUTRA, E. T. S.; NURINGTYAS, T. R.; FABRE, D.; MONTORO, P. SPAD-502 and AtLEAF CHL PLUS Values Provide Good Estimation of the Chlorophyll Content for Hevea Brasiliensis Müll. Arg. Leaves. MP 2020, 88.