भक्तपुर जिल्लाको खानेपानी गुणस्तर परीक्षण [printed text] / PANT. B.R., Author; Shrestha, Sujen Man, Author; Thapa, Kanchan, Author; Koju, Rashmi, Author. - Kathmandu : NAST, 2072 BS. - 6 p.