Narong Chungsamarnyart. 1991. Purification study of insecticidal substances of Annona squamosa seeds on tropical cattle ticks. Bangkok:Kasetsart University;
Narong Chungsamarnyart. (1991) Purification study of insecticidal substances of Annona squamosa seeds on tropical cattle ticks. (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Narong Chungsamarnyart. Purification study of insecticidal substances of Annona squamosa seeds on tropical cattle ticks. Bangkok:Kasetsart University, 1991.
Narong Chungsamarnyart. (1991) Purification study of insecticidal substances of Annona squamosa seeds on tropical cattle ticks. (รายงานผลงานวิจัย). Kasetsart University:Bangkok.