Machine generated authority record.

Work cat.: (OSt)88192: Shaira R. Badillo, Higino M. Avilla III, Jerfferson S.M. Gongora, Ace Rapahel S. Bongalos and Paterdom G. Reynon Jr., Creating and comparing egg shell chalk and dura-smooth polar bear commercial chalk in terms of writing and physical qualities on illustration board., March 2019