रामप्रकाश (Ramprakash) मानक हिन्दीः संरचना एवं प्रय़ोग Manak hindi: samrachana evam prayog - Delhi Sanmarg prakasan pvt.ltd. 2000 - 112p. Subjects--Topical Terms: Official languageBhasha vijnan- hindiभाषा विज्ञान- हिन्दी Dewey Class. No.: 811(H)'244 / RAM/M