M. SUHARBAN AND P. J. JOSEPH, C. A. “4. SYMPTOMATOLOGY AND YIELD LOSS DUE TO YELLOWING DISEASE OF COCONUT- A LETHAL MALADY IN SOUTHERN KERALA by C. ANJU, M. SUHARBAN AND P. J. JOSEPH”. LIFE SCIENCES LEAFLETS, vol. 76, May 2016, p. 23 to 33, https://petsd.org/ojs/index.php/lifesciencesleaflets/article/view/1056.