Ōkawa, Ryūhō, 1956- 10 rules of wisdom : Principles for creation of an ideal world / by Ryuho Okawa. - Mumbai : Jaico publishing house, 2010 - xix, 268 p. ; 18 cm. ISBN: 9788179927205 LCCN: 92170162 LC Class. No.: BP605 / .K55.0354 2010