A Thai princess who founded a medical research center in her homeland received a Presidential Citation Tuesday at Brigham Young University.

Princess Chulabhorn of Thailand, daughter of Queen Sirikit and King Bhumibol, spoke on "Natural Products for Development" during her BYU appearance. She was honored by President Jeffrey R. Holland for her work in developing international understanding and in promoting public health and nutrition.Monday the princess, who would like to establish collaborative teaching and research links with the University of Utah, met with U. scientists. She toured the U.'s Center for Controlled Chemical Delivery with Sung Wan Kim, professor of pharmaceutics and director of the center.

The princess began the Chulabhorn Research Center in Thailand to promote education and research in the sciences, medicine and medical technology, a U. press release said.

She is an organic chemist and has conducted studies in the areas of medicinal plants, food preservation and the pharmacology of Thai plants.

The princess would like to join in some research efforts with the center, whose research focuses on improving drug therapy and developing new ways to deliver drugs into the body, the release said.

The U. has entered into collaborative efforts with institutions in the People's Republic of China, Japan, the Soviet Union, Poland, Canada and other countries, Kim said.

"Exchanging ideas in this way increases productivity exponentially instead of linearly," he said.