I. N. Sulabh Int Delhi,
“Effective health education”, vol. unit 4. Sulabh International, New Delhi, India, p. ii, 22 p., 1995.
I. N. Sulabh Int Delhi,
“Low cost sanitation technology”, vol. unit 2. Sulabh International, New Delhi, India, p. ii, 14 p., 1995.
I. N. Sulabh Int Delhi,
“School toilet complexes”, vol. unit 3. Sulabh International, New Delhi, India, p. ii, 26 p., 1995.
I. N. Sulabh Int Delhi,
“Schools as community health promoters”, vol. unit 1. Sulabh International, New Delhi, India, p. ii, 20 p., 1995.