Charles, O. C., N. John, E. O. Benson, and E. Friday. “The Shelf Life Study on African Pear (DacryodesEdulis)”. The International Journal of Science & Technoledge, vol. 3, no. 8, Aug. 2015, http://internationaljournalcorner.com/index.php/theijst/article/view/124547.