Kuan, L. G. (1986). Herbal medicine and drug substitution: Perceptions and attitudes of PGH health workers. University of the Philippines.
Dyfyniad Arddull ChicagoKuan, Letty G. Herbal Medicine and Drug Substitution: Perceptions and Attitudes of PGH Health Workers. Manila: University of the Philippines, 1986.
Dyfyniad MLAKuan, Letty G. Herbal Medicine and Drug Substitution: Perceptions and Attitudes of PGH Health Workers. University of the Philippines, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.